Difference between revisions of "Card Rulings:Skill Drain"

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(On Negating Continuous/Non-Chainable Effects)
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==TCG Rulings==
 
==TCG Rulings==
* Paying 1000 [[Life Points]] is a [[cost]].<ref name="Indiv-SkillDrain">[http://www.yu-judges.com/cat395_p5.htm#4 Yu-Judges]: Individual Card Rulings for "Skill Drain"</ref>
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===On Negating Continuous/Non-Chainable Effects===
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* '''[[Card Rulings:Archlord Kristya|Archlord Kristya]]''': If "[[Skill Drain]]" is active, the effect to return "[[Archlord Kristya]]" to the [[Deck]] will not apply.
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* '''[[Card Rulings:Blackwing - Vayu the Emblem of Honor|Blackwing - Vayu the Emblem of Honor]]''': If the effect of "[[Blackwing - Vayu the Emblem of Honor|Blackwing – Vayu the Emblem of Honor]]" is being negated by "[[Skill Drain]]" you can use it for a [[Synchro Summon]] while it is on the field.
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* '''[[Card Rulings:Infernity Avenger|Infernity Avenger]]''': If '''[[Skill Drain]]''' is activated after '''[[Infernity Avenger]]''' is [[Special Summon]]ed by its own effect, its [[Level]] will return to its original [[Level]].
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* '''[[Card Rulings:Infernity Necromancer|Infernity Necromancer]]''': If "[[Skill Drain]]" is active, the effect that lets "[[Infernity Necromancer]]" to gain the effect to [[Special Summon]] monsters is negated, so you cannot activate the effect to [[Special Summon]] 1 "[[Infernity]]" monster.
  
===On Negating Activated Effects===
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* '''[[Card Rulings:Kasha|Kasha]]''': If "[[Skill Drain]]" is activated, the [[ATK]] of "[[Kasha]]" becomes 0 and stays at 0 even if "[[Skill Drain]]" is later removed from the field.
* "[[Skill Drain]]" will negate Flip Effects, and you can chain the activation of "[[Skill Drain]]" to the activation of a Flip Effect, but you cannot activate "[[Skill Drain]]" in the [[Damage Step]] because it does not specifically modify [[ATK]] or [[DEF]], so you cannot chain "[[Skill Drain]]" to a c[[Flip Effect]] that is activated because a monster was attacked while [[face-down]], even though the Flip effect resolves after the [[Damage Step]], it is activated during the [[Damage Step]].<ref name="Indiv-SkillDrain"/>
 
  
* If you Flip Summon "[[Spear Cretin]]" while "[[Skill Drain]]" is active, "[[Spear Cretin]]"'s effect is negated when it is sent to the [[Graveyard]] because it is a [[Flip Effect]] and "[[Skill Drain]]" negates [[Flip Effect]]s.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Mirror Ladybug|Mirror Ladybug]]''': If cards like '''[[Skill Drain]]''' or '''[[Forbidden Chalice]]''' affect '''[[Mirror Ladybug]]''' after its effect has resolved, its Level will return to 1 and will not change back even when '''[[Mirror Ladybug]]'''{{'}}s effect is no longer negated.
  
* "[[Skill Drain]]" negates [[Quick Effects]] such as "[[Dark Paladin]]" and "[[Ryu Senshi]]".<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Morphtronic Vacuumen|Morphtronic Vacuumen]]''': If '''[[Skill Drain]]''' is activated while a monster is equipped to '''[[Morphtronic Vacuumen]]''', the equipped monster is destroyed.
  
* [[Spirit Monsters]] are not returned to the owner's hand while "[[Skill Drain]]" is active.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Power Supplier|Power Supplier]]''': If "[[Skill Drain]]" is activated, monsters [[target]]ed by "[[Power Supplier]]" lose the +400 [[ATK]]. If "[[Skill Drain]]" is removed from the field, the effect of "[[Power Supplier]]" is reapplied and the [[target]]ed monsters will regain the +400 [[ATK]].
  
* If a face-down "[[Kiseitai]]" is attacked while "[[Skill Drain]]" is active, the effect of "[[Kiseitai]]" is negated, damage calculation is performed, and "Kiseitai" will not equip itself to the attacking monster. But if "[[Kiseitai]]" is already an [[Equip Spell Cards|Equip Spell Card]], and "[[Skill Drain]]" is activated, "[[Kiseitai]]" is unaffected because it is no longer an [[Effect Monsters|Effect Monster]].<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Road Synchron|Road Synchron]]''': If "[[Skill Drain]]" is negating the effect of "[[Road Synchron]]," it is treated as a Level 4 Tuner even if you Synchro Summon a monster other than "[[Road Warrior]]."
  
* A [[Union Monster]] that attached itself to another monster before "[[Skill Drain]]" became active is unaffected by "[[Skill Drain]]". If "[[Skill Drain]]" is active, you can activate a Union Monster's effect to attach it to another monster, but nothing happens and it remains a monster.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Road Synchron|Road Synchron]]''': If "[[Road Synchron]]'s" Level is increased by its own effect and "[[Skill Drain]]" is activated later in the same turn, "[[Road Synchron]]'s" Level will return to 4.
  
* '''[[Card Rulings:Archfiend|Archfiends]]''': The effect of rolling a die for an Archfiend will be negated by "[[Skill Drain]]".
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* '''[[Card Rulings:Worm Dimikles|Worm Dimikles]]''': If "[[Skill Drain]]" is activated after "[[Worm Dimikles]]" gains 300 ATK and DEF, the effect to gain ATK and DEF is then negated.
  
* '''[[Card Rulings:Balloon Lizard|Balloon Lizard]]:''' While "[[Skill Drain]]" is active, you can't put new counters on "[[Balloon Lizard]]".
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===On Removing Lingering Effects which Modify ATK/DEF===
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* '''[[Card Rulings:Black-Winged Dragon|Black-Winged Dragon]]''': If '''[[Skill Drain]]''' is activated while '''[[Black-Winged Dragon]]''' has Black Feather Counters, all those [[Counter]]s are removed and the ATK of '''[[Black-Winged Dragon]]''' returns to its original value.
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* '''[[Card Rulings:Crusader of Endymion|Crusader of Endymion]]''': If "[[Skill Drain]]" is activated, this card loses any [[ATK]] gained from its own effect.
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* '''[[Card Rulings:Earthbound Immortal Wiraqocha Rasca|Earthbound Immortal Wiraqocha Rasca]]''': If "[[Skill Drain]]" is activated, this card loses any [[ATK]] gained from its effect and will not regain it even if "[[Skill Drain]]" later leaves the field.
  
* '''[[Card Rulings:Destiny Hero - Captain Tenacious|Destiny Hero - Captain Tenacious]]:''' If "[[Skill Drain]]" is active during the [[Phase#Standby Phase|Standby Phase]] when this effect resolves, this effect will be negated, even if "[[Skill Drain]]" was activated after your "[[Destiny Heroes|Destiny Hero]]" monster was destroyed.
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* '''[[Card Rulings:Egotistical Ape|Egotistical Ape]]''': If '''[[Skill Drain]]''' is activated while '''[[Egotistical Ape]]''' is on the field, it will become [[Level]] 5 again and remain [[Level]] 5 even if '''[[Skill Drain]]''' is later removed from the field.
  
* '''[[Card Rulings:Light and Darkness Dragon|Light and Darkness Dragon]]''': If "[[Light and Darkness Dragon]]" is Summoned or flipped [[face-up]] while "[[Skill Drain]]" is active, "[[Light and Darkness Dragon|Light and Darkness Dragon's]]" first effect will be [[negate]]d. Its second effect will still activate whenever a [[Spell Cards|Spell]], [[Trap Cards|Trap]], or effect of an [[Effect Monsters|Effect Monster]] is activated, but the effect of [[Light and Darkness Dragon]]” will be [[negate]]d so the activation of the [[Spell Cards|Spell]], [[Trap Cards|Trap]], or effect of an [[Effect Monsters|Effect Monster]] will not be [[negate]]d and "[[Light and Darkness Dragon]]" will not lose [[ATK]] or [[DEF]]. Its third effect that activates when it is destroyed and sent to the Graveyard will not be [[negate]]d because this effect activates and [[resolve]]s while "[[Light and Darkness Dragon]]" is not on the field.
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* '''[[Card Rulings:Fabled Raven|Fabled Raven]]''': If '''[[Skill Drain]]''' is activated after '''[[Fabled Raven]]'''{{'}}s effect resolves, the effects of '''[[Fabled Raven]]''' will be negated and its Level and ATK will return to the original and will not go back to their increased values even if '''[[Skill Drain]]''' is [[destroy]]ed later that turn.
  
* '''[[Card Rulings:Majestic Mech - Goryu|Majestic Mech - Goryu]] / [[Card Rulings:Majestic Mech - Ohka|Majestic Mech - Ohka]] / [[Card Rulings:Majestic Mech - Senku|Majestic Mech - Senku]]:''' If "[[Skill Drain]]" is active during the [[Phase#End Phase|End Phase]], it will negate the effects of a "Majestic Mech" so the "Majestic Mech" will not send itself to the [[Graveyard]].
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* '''[[Card Rulings:Garlandolf, King of Destruction|Garlandolf, King of Destruction]]''': If "[[Skill Drain]]" is later activated, "[[Garlandolf, King of Destruction]]" will lose any [[ATK]] gained from its own effect and will not regain it if "[[Skill Drain]]" is destroyed.
  
===On Negating Continuous/Non-Chainable Effects===
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* '''[[Card Rulings:Greed Quasar|Greed Quasar]]''': If "[[Skill Drain]]" is activated, "[[Greed Quasar]]" loses any extra Levels it has. Even if "[[Skill Drain]]" is destroyed, the extra Levels remain lost.
* While "[[Skill Drain]]" is active you cannot [[Tribute]] a [[face-up]] "[[Kaiser Sea Horse]]" to [[Tribute Summon]] a [[Level]] 7 or higher [[Attribute#Light|LIGHT]] monster. However, you can [[Tribute]] a [[face-down]] "[[Kaiser Sea Horse]]".<ref name="Indiv-SkillDrain"/>
 
  
* Restrictions are also lifted, so you can attack with "[[Ultimate Obedient Fiend]]" even if you have other cards on your side of the field.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Light End Dragon|Light End Dragon]]''': If "[[Skill Drain]]" is activated, the ATK and DEF of "[[Light End Dragon]]" and "[[Dark End Dragon]]" will be restored to their original values. If "[[Skill Drain]]" is destroyed, they will still remain at those original values until lowered again.
  
* [[Toon Monsters]]' effects are negated while "[[Skill Drain]]" is active and the [[Toon Monsters|Toon Monster]] is on the field, so they can attack the same turn they are Summoned, you do not have to pay 500 [[Life Points]] to attack with them, and they are not destroyed if "[[Toon World]]" is [[destroyed]], but they cannot attack your opponent directly.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Machine King - 3000 B.C.|Machine King - 3000 B.C.]]''': If "[[Skill Drain]]" is activated, "[[Machine King - 3000 B.C.]]" loses its [[ATK]] increase and will not regain it even if "[[Skill Drain]]" is destroyed.
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* '''[[Card Rulings:Ogre of the Scarlet Sorrow|Ogre of the Scarlet Sorrow]]''':If "[[Skill Drain]]" is activated, the [[ATK]]/[[DEF]] of "[[Ogre of the Scarlet Sorrow]]" will become 0 and remain 0 even if "[[Skill Drain]]" is later destroyed.
  
* "[[Jinzo]]" cannot negate Trap Cards while "[[Skill Drain]]" is already active, because "[[Skill Drain]]" is negating "Jinzo"'s effect. But if "[[Jinzo]]" is already on the field, you cannot activate "[[Skill Drain]]" because "[[Jinzo]]"'s effect prevents you from doing so.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Sea Dragon Lord Gishilnodon|Sea Dragon Lord Gishilnodon]]''': If "[[Sea Dragon Lord Gishilnodon]]'s" effect activates, and later "[[Skill Drain]]" is activated, "[[Sea Dragon Lord Gishilnodon]]" drops to 2300 ATK again. Even if "[[Skill Drain]]" is destroyed after that, "[[Sea Dragon Lord Gishilnodon]]" remains at 2300 ATK until its effect is triggered again.
  
* "[[Goblin Attack Force]]" and "[[Spear Dragon]]" do not change their battle position after attacking while "[[Skill Drain]]" is active. If "[[Goblin Attack Force]]" attacks and changes battle position, then on your next turn you activate "[[Skill Drain]]", you can change "[[Goblin Attack Force]]" back to [[Battle Position#Attack Position|Attack Position]] because its effect that prevents this is negated.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Trident Dragion|Trident Dragion]]''': If "[[Trident Dragion]]" gains additional attacks, and then "[[Skill Drain]]" is activated later, it does not remove the additional attacks from "[[Trident Dragion]]."
  
* Monsters equipped to "[[Relinquished]]" while "[[Skill Drain]]" is active are negated and destroyed because "[[Relinquished]]" no longer has an effect that allows it to be equipped with a monster, and "[[Relinquished]]"'s [[ATK]] and [[DEF]] are returned to normal.<ref name="Indiv-SkillDrain"/>
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===On Not Removing Previously-Resolved/Lingering Effects===
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* '''[[Card Rulings:Blackwing - Sirocco the Dawn|Blackwing - Sirocco the Dawn]]''': If "[[Skill Drain]]" is activated after the effect of "[[Blackwing - Sirocco the Dawn|Blackwing – Sirocco the Dawn]]" resolves, then the effect is not negated. The ATK boost remains, and the other monsters cannot attack this turn.
  
* Monsters that can hold [[Spell Counters]], like "[[Skilled Dark Magician]]", no longer have that effect while "[[Skill Drain]]" is active, so they cannot gain more [[Counter#Spell Counter|Spell Counters]] and all [[Spell Counters]] already placed on them are removed.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Cyber Dragon Zwei|Cyber Dragon Zwei]]''': If "[[Cyber Dragon Zwei]]" is being treated as "[[Cyber Dragon]]" by its own effect and "[[Skill Drain]]" is activated, the name is still treated as "[[Cyber Dragon]].
  
* If "[[Skill Drain]]" is activated after "[[Hayabusa Knight]]"'s first attack, "[[Hayabusa Knight]]" does not get its second attack.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Level Warrior|Level Warrior]]''': "[[Skill Drain]]" has no effect on "[[Level Warrior]]'s" Level, because "[[Level Warrior]]" is considered to already be on the field with the appropriate level. So "[[Skill Drain]]" will not cause "[[Level Warrior]]'s" Level to become 3.
  
* Do not roll dice for [[Archfiend]]s while "[[Skill Drain]]" is active.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Oracle of the Sun|Oracle of the Sun]]''': If the [[ATK]] of "[[Oracle of the Sun]]" is being doubled by "[[Supay]]" and "[[Skill Drain]]" is activated, the [[ATK]] remains doubled.
  
* You can have 2 "[[Gravekeeper's Chief]]s" on the field while "[[Skill Drain]]" is active, but if "[[Skill Drain]]" is destroyed, select 1 of the "[[Gravekeeper's Chief]]s" and destroy it.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Scanner|Scanner]]''': If "[[Skill Drain]]" is activated after the effect of "[[Scanner]]" resolves, the effect of "[[Scanner]]" is still applied, and "[[Scanner]]" will still be removed from play if it leaves the field.
  
* '''[[Card Rulings:Alien Hypno|Alien Hypno]]''': If you take control of your opponent’s monster with “[[Alien Hypno]]and [[Skill Drain]]is activated, control of the selected monster is returned to the opponent. If “[[Skill Drain]]is later [[negate]]d or removed from the field, the selected monster is returned to your control.
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* '''[[Card Rulings:Splendid Rose|Splendid Rose]]''': If the effect of '''[[Splendid Rose]]''' activates and resolves, then '''[[Skill Drain]]''' or '''[[Forbidden Chalice]]''' is activated, the effect of '''[[Splendid Rose]]''' is not negated. It will be able to attack again.
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===Versus Costs/Conditions===
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* '''[[Card Rulings:Blackwing - Silverwind the Ascendant|Blackwing - Silverwind the Ascendant]]''': You can activate the effect to destroy monsters when this card is [[Synchro Summon]]ed even if "[[Skill Drain]]" is active. If you do, you will not be able to conduct your [[Battle Phase]], even though the effect is negated.
  
* '''[[Card Rulings:Arcana Force Ex - the Light Ruler|Arcana Force Ex - The Light Ruler]]''': If "[[Skill Drain]]" is activated after "[[Arcana Force EX - The Light Ruler]]" is Special Summoned, the effect of "[[Arcana Force EX - The Light Ruler]]" is negated. If "[[Skill Drain]]" is later negated or removed from the field, the effect of "[[Arcana Force EX - The Light Ruler]]" is not reapplied.
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* '''[[Card Rulings:Debris Dragon|Debris Dragon]]''': All restrictions on "[[Debris Dragon]]" and Synchro Summons are [[condition]]s, not effects, {{sic|so will}} not be negated by "[[Skill Drain]]".
  
* '''[[Card Rulings:Archlord Kristya|Archlord Kristya]]''': If "[[Skill Drain]]" is active, the effect to return "[[Archlord Kristya]]" to the [[Deck]] will not apply.
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* '''[[Card Rulings:Djinn Presider of Rituals|Djinn Presider of Rituals]]''': The effect to draw when the [[Ritual Monster]] destroys a monster by battle is applied even if "[[Skill Drain]]" is active.
  
* '''[[Card Rulings:Armor Exe|Armor Exe]]:''' If "[[Skill Drain]]" is active and "[[Armor Exe]]" is Summoned, or if "[[Skill Drain]]" is activated after "[[Armor Exe]]" is Summoned, in both cases "[[Armor Exe]]" CAN attack the same turn it was Summoned.
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* '''[[Card Rulings:Djinn Releaser of Rituals|Djinn Releaser of Rituals]]''': Even if "[[Skill Drain]]" is active, the opponent of the controller of the [[Ritual Monster]] this card was [[Tribute]]d for that cannot [[Special Summon]].
  
* '''[[Card Rulings:Blackwing - Vayu the Emblem of Honor|Blackwing - Vayu the Emblem of Honor]]''': If the effect of “[[Blackwing - Vayu the Emblem of Honor]]” is being negated by “[[Skill Drain]]” you can use it for a [[Synchro Summon]] while it is on the field.
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* '''[[Card Rulings:Fishborg Blaster|Fishborg Blaster]]''': The requirement that you use [[WATER]]-[[Attribute]] [[Synchro Material Monster]]s when using this monster for a [[Synchro Summon]] is a [[condition]], not an effect. It cannot be negated by "[[Skill Drain]]."
  
* '''[[Card Rulings:Crystal Beast|Crystal Beasts]]''': While "[[Skill Drain]]" is active on the field, a "[[Crystal Beast]]" monster that is destroyed will be sent to the Graveyard and cannot be put in the [[Spell & Trap Card Zone]].
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* '''[[Card Rulings:Majestic Dragon|Majestic Dragon]]''': The text of this card is not an effect. It cannot be negated by "[[Skill Drain]]".
  
* '''[[Card Rulings:Dark Catapulter|Dark Catapulter]]:''' If "[[Skill Drain]]" is activated, all [[counter]]s on "[[Dark Catapulter]]" are removed for no effect.
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* '''[[Card Rulings:Mist Valley Thunderbird|Mist Valley Thunderbird]]''': The effect that prevents you from attacking with "[[Mist Valley Thunderbird]]" is part of the effect that Special Summons it. It is not negated by "[[Skill Drain]]."
  
* '''[[Card Rulings:Dark Hunter|Dark Hunter]]''': While "[[Skill Drain]]" is active, all of "[[Dark Hunter]]'s" effects are negated because the primary effect, "This card's effect changes depending on the number of DARK monsters in your Graveyard", is negated.
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* '''[[Card Rulings:Quickdraw Synchron|Quickdraw Synchron]]''': "You can substitute this card for any 1 "[[Synchron]]" [[Tuner]] for a [[Synchro Summon]]" is not an effect. It will not be negated by "[[Skill Drain]]".
  
* '''[[Card Rulings:Dark Magician of Chaos|Dark Magician of Chaos]]:''' While "[[Skill Drain]]" is active, the first and second effects of "[[Dark Magician of Chaos]]" are negated, but the 3rd effect is not negated.
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* '''[[Card Rulings:Quickdraw Synchron|Quickdraw Synchron]]''': "This card cannot be used as a [[Synchro Material Monster]] except for the [[Synchro Summon]] of a monster that lists a [[Synchron]] monster as a [[Tuner]]" is not an effect. It will not be negated by "[[Skill Drain]]".
  
* '''[[Card Rulings:Dark Paladin|Dark Paladin]]:''' "[[Dark Paladin]]"'s +500 [[ATK]] effect is a [[Continuous Effect]]. While "[[Skill Drain]]" is active, the effects of "[[Dark Paladin]]" are negated.
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* '''[[Card Rulings:Scrap Chimera|Scrap Chimera]]''': "This card cannot be used as a [[Synchro Material Monster]], except for the [[Synchro Summon]] of a "[[Scrap]]" monster, and all other [[Synchro Material Monster]]s must also be "[[Scrap]]" monsters" is not treated as an effect. It won't be [[negate]]d by '''[[Skill Drain]]'''.
  
* '''[[Card Rulings:Doom Shaman|Doom Shaman]]''': If "[[Doom Shaman]]" leaves the field while its effect is negated by "[[Skill Drain]]", etc., monsters Special Summoned by its effect will not be destroyed.
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* '''[[Card Rulings:Torapart|Torapart]]''': If "[[Skill Drain]]" is active while you use "[[Torapart]]" to Synchro Summon a monster, "[[Torapart]]" is now no longer on the field, so the effect of "[[Torapart]]" will be applied. So the opponent cannot activate Trap Cards when that Synchro Monster attacks. This is because the restriction on activating Trap Cards is an effect of "[[Torapart]]," not an effect of the Synchro Monster. ...
  
* '''[[Card Rulings:Elemental Hero Neo Bubbleman|Elemental Hero Neo Bubbleman]]:''' If "[[Skill Drain]]" is active, this card is no longer treated as "[[Elemental Hero Bubbleman]]".
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===In Other Rulings===
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* '''[[Card Rulings:Supervise|Supervise]]''': You can equip "[[Supervise]]" to a Gemini monster while "[[Skill Drain]]" is face-up on the field.
  
* '''[[Card Rulings:Elemental Hero Wildheart|Elemental Hero Wildheart]]:''' For "[[Elemental Hero Wildheart]]" vs. "[[Skill Drain]]", whichever effect was active on the field first takes precedence. So if "[[Elemental Hero Wildheart]]" is on the field and "[[Skill Drain]]" is activated, his effect is not negated. But if "[[Skill Drain]]" is on the field and "[[Elemental Hero Wildheart]]" is Summoned, his effect is negated by "[[Skill Drain]]" as long as "[[Skill Drain]]" remains on the field.
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* '''[[Card Rulings:Trap Eater|Trap Eater]]''': If "[[Vanity's Fiend]]" or "[[Fossil Dyna Pachycephalo]]" are on the field, but "[[Skill Drain]]" is preventing their effects from blocking Special Summons, you can Summon "[[Trap Eater]]" even by sending "[[Skill Drain]]" to the Graveyard.
  
* '''[[Card Rulings:Fox Fire|Fox Fire]]:''' While "[[Skill Drain]]" is active, you can [[Tribute]] "[[Fox Fire]]" for a [[Tribute Summon]].
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* '''[[Card Rulings:White Night Dragon|White Night Dragon]]''': If you control your opponent's monster with "[[Snatch Steal]]" while you have "[[White Night Dragon]]" in play and your opponent attacks the equipped monster, if you send "[[Snatch Steal]]" to the [[Graveyard]] to change the attack target no replay occurs. If the effect of "[[White Night Dragon]]" is negated by "[[Skill Drain]]" a replay does occur.
  
* '''[[Card Rulings:Gladiator Beast Darius|Gladiator Beast Darius]]''': While "Skill Drain" is active, if "Gladiator Beast Darius" is removed from the field, the Special Summoned "Gladiator Beast" monster will remain on the field. If the Special Summoned "Gladiator Beast" monster attacks or is attacked, and it is returned to the Deck to activate its effect, the effect will not be negated because "Gladiator Beast Darius'" effects are being negated by "Skill Drain".
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==OCG Rulings==
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*If "[[Skill Drain]]" is active, then you also negate the effects of [[Flip Effect]] Monsters which were flipped to being [[face-up]] on the field. Also, if a [[face-down]] [[Flip Effect]] Monster is attacked and flipped by battle, then even if it is destroyed by battle, then it is still face-up on the field when its Flip Effect activates after Damage Calculation, so the effect will be negated by "[[Skill Drain]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54703&event=FE0006 Konami FAQ]: Can the effect of "Skill Drain" negate Flip Effects?</ref>
  
* '''[[Card Rulings:Gladiator Beast Dimacari|Gladiator Beast Dimacari]]''': If "[[Gladiator Beast Dimacari]]" is [[Special Summon]]ed by the effect of a "[[Gladiator Beasts|Gladiator Beast]]" monster, it can attack twice during the [[Battle Phase]]. If "[[Skill Drain]]" is later activated, this effect is [[negate]]d and "[[Gladiator Beast Dimacari]]" will no longer be able to attack twice with its effect. Even if "[[Skill Drain]]" is later [[negate]]d or removed from the field, "[[Gladiator Beast Dimacari|Gladiator Beast Dimacari's]]" effect to attack twice during the Battle Phase will not be reapplied.
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*The effect of "[[Skill Drain]]" only negates the effects of face-up monsters. Thus, effects that activate in the Graveyard - like the effects of "[[Sangan]]" or "[[Pyramid Turtle]]" - are not negated by "[[Skill Drain]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54690&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can you negate the effects of monsters like "Sangan" which activate in the Graveyard?</ref>
  
* '''[[Card Rulings:Gora Turtle of Illusion|Gora Turtle of Illusion]]:''' If "[[Gora Turtle of Illusion]]" is equipped with "[[Snatch Steal]]", both effects of "[[Snatch Steal]]" are negated. But if "Skill Drain" is activated, then "[[Gora Turtle of Illusion]]"'s effect is negated, and "[[Snatch Steal]]"'s effects will resolve properly.
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===On Activating Effects===
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*The effect of "[[Skill Drain]]" negates the effects of Effect Monsters; it does NOT prevent Effect Monsters from activating their effects. Thus, "[[Skill Drain]]" will not prevent you from activating the effects of "[[Exiled Force]]" or "[[Rescue Cat]]".<ref name="SkiDra-XFor-ResCat">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50480&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can an opponent's monster be destroyed by the effect of "[[Exiled Force]]"?</ref>
  
* '''[[Card Rulings:Harpie Queen|Harpie Queen]]:''' If "[[Skill Drain]]" is active on the field, while "[[Harpie Queen]]" is on the field its name will not be treated as "Harpie Lady".
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*'''[[Card Rulings:Battle Fader|Battle Fader]]''': The effect of "[[Battle Fader]]" which Special Summons it and the effect which ends the Battle Phase are resolved as the same effect. The effect [[activate]]s in the hand, so the effects of "[[Skill Drain]]" and "[[Shadow-Imprisoning Mirror]]" will not negate the effect even though "[[Battle Fader]]" is Special Summoned, so the effect which ends the [[Battle Phase]] will still be applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=52913&event=FE0006 Konami FAQ]: Will the effect of "Battle Fader" end the Battle Phase if "Skill Drain" is active?</ref>
  
* '''[[Card Rulings:Infernity Avenger|Infernity Avenger]]''': If '''[[Skill Drain]]''' is activated after '''[[Infernity Avenger]]''' is [[Special Summon]]ed by its own effect, its [[Level]] will return to its original [[Level]].
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*'''[[Card Rulings:White Night Dragon|White Night Dragon]]''': While "[[Skill Drain]]" is active and you control your opponent's "[[White Night Dragon]]" because of "[[Snatch Steal]]", if your opponent attacks, then you can activate the effect of "[[White Night Dragon]]" and send "[[Snatch Steal]]" to the Graveyard. However, "[[White Night Dragon]]" will not change the attack target to itself because it changed sides. After this, a [[Replay]] occurs because the number of monster you control changed.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=40939&event=FE0006 Konami FAQ]: When "White Night Dragon" sends an equipped "Snatch Steal" to the Graveyard to activate its effect which changes the attack target, is the effect applied?</ref>
  
* '''[[Card Rulings:Infernity Necromancer|Infernity Necromancer]]''': If "[[Skill Drain]]" is active, the effect that lets "[[Infernity Necromancer]]" to gain the effect to [[Special Summon]] monsters is negated, so you cannot activate the effect to [[Special Summon]] 1 "[[Infernity]]" monster.
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===On the Monster Leaving the Field===
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*The effect of "[[Skill Drain]]" negates the effects of Effect Monsters that are face-up on the field. Thus, it cannot negate the effect of a monster if the monster is in the Graveyard when the monster's activated effect is resolving. "[[Exiled Force]]" and "[[Rescue Cat]]" Tributes itself or sends itself to the Graveyard as activation costs for their effects, so the monsters are in the Graveyard when their effects resolve. Thus, "[[Skill Drain]]" cannot negate their effects, so you will destroy the monster or Special Summon the [[Beast]]-[[Type]] monsters from your Deck.<ref name="SkiDra-XFor-ResCat"/>
  
* '''[[Card Rulings:Kasha|Kasha]]''': If "[[Skill Drain]]" is activated, the [[ATK]] of "[[Kasha]]" becomes 0 and stays at 0 even if "[[Skill Drain]]" is later removed from the field.
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*'''[[Card Rulings:Number 30: Acid Golem of Destruction|Number 30: Acid Golem of Destruction]]''': The effect "''During each of your Standby Phases: Detach 1 Xyz Material from this card, OR take 2000 damage.''" can be negated by "[[Skill Drain]]". However, if "[[Skill Drain]]" is active and "[[Compulsory Evacuation Device]]" is Chained to the effect of "[[Number 30: Acid Golem of Destruction]]" during the Standby Phase, then "[[Number 30: Acid Golem of Destruction]]" is no longer on the field, so "[[Skill Drain]]" cannot negate its effect. "[[Number 30: Acid Golem of Destruction]]" is no longer on the field, so you cannot detach an Xyz Material from it, so you take 2000 damage.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=64244&event=FE0006 Konami OCG FAQ]: Does "Skill Drain" negate the Standby Phase effect of "Number 30: Acid Golem of Destruction"?</ref>
  
* '''[[Card Rulings:Mataza the Zapper|Mataza the Zapper]]:''' While "[[Skill Drain]]" is active, you can take control of "[[Mataza the Zapper]]" from your opponent.
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*'''[[Card Rulings:Stardust Dragon|Stardust Dragon]]''': "[[Skill Drain]]" has no effect on "[[Stardust Dragon]]". For the first effect, Tributing "[[Stardust Dragon]]" is a cost, so "[[Stardust Dragon]]" is not on the field and is unaffected by "[[Skill Drain]]". The second effect activates in the Graveyard, so "[[Skill Drain]]" cannot negate it.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=43913&event=FE0006 Konami FAQ]: Is the effect of "Stardust Dragon" negated by "Skill Drain"?</ref>
  
* '''[[Card Rulings:Mirror Ladybug|Mirror Ladybug]]''': If cards like '''[[Skill Drain]]''' or '''[[Forbidden Chalice]]''' affect '''[[Mirror Ladybug]]''' after its effect has resolved, its Level will return to 1 and will not change back even when '''[[Mirror Ladybug]]'''’s effect is no longer negated.
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===On Removing Lingering Effects which Modify ATK/DEF===
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*'''[[:Card Rulings:Gash the Dust Lord|Gash the Dust Lord]]''': If "[[Gash the Dust Lord]]" changes its own Level and is then affected by "[[Skill Drain]]", then "[[Gash the Dust Lord]]" returns its original Level of 4.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55647&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied while the Level of "Gash the Dust Lord" is altered, then what does its Level become?</ref>
  
* '''[[Card Rulings:Morphtronic Boomboxen|Morphtronic Boomboxen]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Boomboxen]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
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*'''[[Card Rulings:Beast King Barbaros|Beast King Barbaros]]''': If "[[Beast King Barbaros]]" Normal Summoned without Tributes and is then is [[target]]ed by the effect of "[[Blackwing - Gale the Whirlwind]]", then the ATK of "[[Beast King Barbaros]]" will become 950. If "[[Skill Drain]]" is activated later, then the ATK of "[[Beast King Barbaros]]" will remain at 950, the halved value set by the effect of "[[Blackwing - Gale the Whirlwind]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50504&event=FE0006 Konami FAQ]: If "Skill Drain" is activated after the ATK of "Beast King Barbaros" is halved by the effect of "Blackwing - Gale the Whirlwind", then what does its ATK become?</ref>
  
* '''[[Card Rulings:Morphtronic Cameran|Morphtronic Cameran]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Cameran]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. If "[[Morphtronic Cameran]]" is destroyed by battle while in [[Attack Position]], its effect will not activate because it was destroyed by battle while its "While in Attack Position" effect was being negated.
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*'''[[:Card Rulings:Cyber Eltanin|Cyber Eltanin]]''': If "[[Cyber Eltanin]]" is affected by "[[Skill Drain]]", then its effect of increasing its ATK is no longer applied, so it will have 0 ATK. If the effect of "[[Skill Drain]]" disappears, then the ATK of "[[Cyber Eltanin]]" will remain at 0.<ref name="Eltanin-ATK">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51406&event=FE0006 Konami FAQ]: What happens to the ATK of "Cyber Eltanin" when it is flipped face-down or when its effect is negated?</ref>
  
* '''[[Card Rulings:Morphtronic Celfon|Morphtronic Celfon]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Celfon]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
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*If "[[Skill Drain]]" affects "[[Elemental HERO Neos Knight]]" after "[[Elemental HERO Neos Knight]]" increases its ATK by its own effect, then the ATK of "[[Elemental HERO Neos Knight]]" becomes the printed ATK of 2500. Afterwards, the ATK of "[[Elemental HERO Neos Knight]]" will remain at 2500 even if "[[Skill Drain]]" is removed from the field or if its effect is no longer applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54758&event=FE0006 Konami FAQ]: What is the ATK of "Elemental HERO Neos Knight" while "Skill Drain" is active?</ref>
  
* '''[[Card Rulings:Morphtronic Clocken|Morphtronic Clocken]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Radion]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
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*'''[[Card Rulings:Emissary from Pandemonium|Emissary from Pandemonium]]''': If "[[Emissary from Pandemonium]]" is Summoned with one Tribute, "[[Skill Drain]]" will negate its effect and return its Level to 7 and its ATK and DEF to 2600 and 1800. If "[[Skill Drain]]" is later removed from the field, then the Level of "[[Emissary from Pandemonium]]" will not return to 5 and its ATK and DEF will not be halved.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48857&event=FE0006 Konami FAQ]: When the effect of "Emissary from Pandemonium" is negated by the effect of "Skill Drain", what do its Level, ATK, and DEF become?</ref>
  
* '''[[Card Rulings:Morphtronic Datatron|Morphtronic Datatron]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Datatron]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
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*'''[[Card Rulings:Emissary from Pandemonium|Emissary from Pandemonium]]''': If "[[Emissary from Pandemonium]]" has its ATK/DEF halved by its effect and then it is affected by "[[Shrink]]" or "[[Megamorph]]", then "[[Shrink]]" and "[[Megamorph]]" use 1300 to determine the new ATK. "[[Shrink]]" will make its ATK 650, etc. If "[[Skill Drain]]" is later activated, then the effect of "[[Emissary from Pandemonium]]" will be negated, but it will still have 650 ATK.<ref name="MftU-ATK">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48845&event=FE0006 Konami FAQ]: When "Emissary from Pandemonium" with its ATK halved is affected by "Shrink" or "Megamorph", how does its ATK change?</ref>
  
* '''[[Card Rulings:Morphtronic Magnen|Morphtronic Magnen]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Magnen]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
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*'''[[Card Rulings:Fortune Lady|Fortune Lady]]''': After a monster like "[[Fortune Lady Earth]]" increases its own Level by its effect, if its Level is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then the Level of "[[Fortune Lady Earth]]" returns to the original Level that is printed on the card.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51058&event=FE0006 Konami FAQ]: When the effect of a monster like "Fortune Lady Earth" is negated by an effect like "Skill Drain", does its altered Level return to the original value?</ref>
  
* '''[[Card Rulings:Morphtronic Radion|Morphtronic Radion]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Radion]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
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*'''[[Card Rulings:Majestic Star Dragon|Majestic Star Dragon]]''': If the ATK of "[[Majestic Star Dragon]]" is increased because it negated and then activated the effect of "[[Card Trooper]]", then when it is affected by "[[Skill Drain]]", the ATK of "[[Majestic Star Dragon]]" will return to its original value.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51238&event=FE0006 Konami FAQ]: After "Majestic Star Dragon" increases its ATK by an effect which is treated as its own, if "Skill Drain" is activated, then does it return to the original amount?</ref>
  
* '''[[Card Rulings:Morphtronic Vacuumen|Morphtronic Vacuumen]]''': If '''[[Skill Drain]]''' is activated while a monster is equipped to '''[[Morphtronic Vacuumen]]''', the equipped monster is destroyed.
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*'''[[Card Rulings:Montage Dragon|Montage Dragon]]''': If "[[Montage Dragon]]" is affected by "[[Skill Drain]]", its ATK becomes 0. If "[[Skill Drain]]" is later removed, it does not regain its ATK.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=43969&event=FE0006 Konami FAQ]: When "Montage Dragon" is flipped face down or has its effect negated, what does his ATK become?</ref>
  
* '''[[Card Rulings:Neo-Spacian Glow Moss|Neo-Spacian Glow Moss]]:''' If "[[Neo-Spacian Glow Moss]]" attacks directly with its effect and "[[Skill Drain]]" is activated in response, "[[Neo-Spacian Glow Moss]]" can no longer attack directly and (another) replay will occur.
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*'''[[Card Rulings:Vice Dragon|Vice Dragon]]''': "[[Skill Drain]]" will negate the effect of "[[Vice Dragon]]", and return its ATK/DEF to the printed values. If "[[Skill Drain]]" is later removed from the field or negated, then the ATK/DEF of "[[Vice Dragon]]" will not be halved again.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=45855&event=FE0006 Konami FAQ]: When the effect of "[[Vice Dragon]]" is negated with "[[Skill Drain]]", what does its ATK/DEF become?</ref>
  
* '''[[Card Rulings:Phantom Dragon|Phantom Dragon]]''': If you have 1 face-up "[[Phantom Dragon]]" while "[[Skill Drain]]" is active, when your opponent [[Special Summon]]s a monster you can Special Summon another "[[Phantom Dragon]]" into one of the Monster Card Zones that was made unusable by the negated "[[Phantom Dragon]]".
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*'''[[Card Rulings:The Tyrant Neptune|The Tyrant Neptune]]''': If "[[Skill Drain]]" is active, then the ATK of "[[The Tyrant Neptune]]" becomes 0, and will remain at 0 even if "[[Skill Drain]]" is removed from the field.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54048&event=FE0006 Konami FAQ]: Does the ATK and DEF of "The Tyrant Neptune" become 0 if it is negated by "Skill Drain"?</ref><ref name="TyraNept-SkillDrain-GainedEffects"/>
  
* '''[[Card Rulings:Power Supplier|Power Supplier]]''': If "[[Skill Drain]]" is activated, monsters [[target]]ed by "[[Power Supplier]]" lose the +400 [[ATK]]. If "[[Skill Drain]]" is removed from the field, the effect of "[[Power Supplier]]" is reapplied and the [[target]]ed monsters will regain the +400 [[ATK]].
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*'''[[Card Rulings:Worm Zero|Worm Zero]]''': When the effect of "[[Skill Drain]]" becomes active, the ATK of "[[Worm Zero]]" becomes 0, and will remain 0 even if the effect of "[[Skill Drain]]" disappears. Also, while "[[Skill Drain]]" is active, the "''2 or more:''", etc, effects are negated. Once the effect of "[[Skill Drain]]" is no longer applied, the "''2 or more:''", etc, effects are re-applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50810&event=FE0006 Konami FAQ]: When the effects of "Worm Zero" are negated by "Skill Drain", are its ATK and its obtained effects no longer applied?</ref>
  
* '''[[Card Rulings:Proto-Cyber Dragon|Proto-Cyber Dragon]]:''' If "[[Skill Drain]]" is active, this card is no longer treated as "[[Cyber Dragon]]". You could not use it for "[[Attack Reflector Unit]]", etc.
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===On Not Removing Lingering Effects===
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*'''[[:Card Rulings:Armored Bee|Armored Bee]]''': Suppose "[[Beast King Barbaros]]" is Summoned without [[Tribute]] (1900 ATK), and then has its ATK halved by the effect of "[[Armored Bee]]" (to 950 ATK). If "[[Skill Drain]]" is activated during the same turn, then the ATK of "[[Beast King Barbaros]]" will remain at 950, the halved value it became by the effect of "[[Armored Bee]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53876&event=FE0006 Konami FAQ]: If "Skill Drain" is activated after an ATK is halved by the effect of "Armored Bee", then what does the value become?</ref>
  
* '''[[Card Rulings:Road Synchron|Road Synchron]]:''' If [[Skill Drain]]is negating the effect of “[[Road Synchron]],” it is treated as a Level 4 Tuner even if you Synchro Summon a monster other than “[[Road Warrior]].
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*'''[[Card Rulings:Blackwing Armor Master|Blackwing Armor Master]]''': If "[[Skill Drain]]" is activated, do not remove any [[Wedge Counter]]s generated by "[[Blackwing Armor Master]]"<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46463&event=FE0006 Konami FAQ]: Do the Wedge Counters generated by "Blackwing Armor Master" disappear when the effect of "Skill Drain" is applied?</ref>
  
* '''[[Card Rulings:Road Synchron|Road Synchron]]:''' If [[Road Synchron]]’s” Level is increased by its own effect and “[[Skill Drain]]” is activated later in the same turn, “[[Road Synchron]]’s” Level will return to 4.
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*'''[[Card Rulings:Crimson Blader|Crimson Blader]]''': If "[[Skill Drain]]" is activated after the effect of your "[[Crimson Blader]]" resolves, then the effect of "[[Crimson Blader]]" is not negated and your opponent still cannot Normal/Special Summon monsters.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=64822&event=FE0006 Konami OCG FAQ]: If "Skill Drain" is activated after "Crimson Blader" activates, then do you stop applying the effect?</ref>
  
* '''[[Card Rulings:Silent Insect|Silent Insect]]:''' If "[[Silent Insect]]" is [[face-up]] on the field, you can activate "Skill Drain" by paying 1000 Life Points, but its effect will be negated. If "[[Skill Drain]]" is active on the field when you Normal or Flip Summon "[[Silent Insect]]", its effects are negated and it will remain in [[Battle Position#Attack Position|Attack Position]].
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*'''[[:Card Rulings:Cyber Dragon Zwei|Cyber Dragon Zwei]]''': If the effect of "[[Cyber Dragon Zwei]]" has resolved and its name is being treated as "[[Cyber Dragon]]", then if "[[Skill Drain]]" is activated, then the name of "[[Cyber Dragon Zwei]]" remains as "[[Cyber Dragon]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53025&event=FE0006 Konami FAQ]: If the effect of "Cyber Dragon Zwei" is negated by "Skill Drain", then what does its name become?</ref>
  
* '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' If "[[Skill Drain]]" is active, "[[Spirit Reaper]]" can be equiped with Equip Cards, but if "[[Skill Drain]]" is later removed from the field "[[Spirit Reaper]]" will be [[destroyed]].
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*'''[[Card Rulings:Darklord Asmodeus|Darklord Asmodeus]]''': If "[[Skill Drain]]" is activated after "[[Darklord Asmodeus]]" Special Summons the "[[Asmo Token]]" and the "[[Deus Token]]", then the effects "''An "[[Asmo Token]]" cannot be destroyed by card effects. A "[[Deus Token]]" cannot be destroyed by battle.''" are still applied. This is because [[Token Monster]]s are always treated as [[Normal Monster]]s without effects. The effect which prevents the "[[Asmo Token]]" and the "[[Deus Token]]" from being destroyed are effects of "[[Darklord Asmodeus]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50284&event=FE0006 Konami FAQ]: If "Skill Drain" is active, can a Token Special Summoned by "Darklord Asmodeus" be destroyed by battle or by card effects?</ref>
  
* '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' "[[Spirit Reaper]]" can be [[destroyed]] as a result of battle while "[[Skill Drain]]" is active.
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*'''[[:Card Rulings:Dragunity Primus Pilus|Dragunity Primus Pilus]]''': Suppose that the effect of "[[Dragunity Primus Pilus]]" resolves properly and equips a [[Winged Beast-Type]] "[[Dragunity]]" monster with a [[Dragon-Type]] "[[Dragunity]]" monster. If the effect of "[[Skill Drain]]" is applied, then the [[Dragon-Type]] monster remains equipped to the [[Winged Beast-Type]] monster.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56735&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied, then does the monster equipped by the effect of "Dragunity Primus Pilus" remain equipped?</ref>
  
* '''[[Card Rulings:The Unhappy Girl|The Unhappy Girl]]:''' If "[[The Unhappy Girl]]" applies her effect to a monster, and "[[Skill Drain]]" is then activated and resolves, and "[[Skill Drain]]" is then [[destroyed]] afterwards, then "[[The Unhappy Girl]]"'s effect is re-applied and the monster that battled with her before "[[Skill Drain]]" was activated cannot attack or change [[Battle Position|battle position]] once again.
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*'''[[Card Rulings:Genex Recycled|Genex Recycled]]''': After the effect of "[[Genex Recycled]]" resolves, if "[[Skill Drain]]" etc is activated, then the effect of "[[Genex Recycled]]" will not negate the effect.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=47532&event=FE0006 Konami FAQ]: Is the new card name of "Genex Recycled" negated by the effect of "Skill Drain"?</ref>
  
* '''[[Card Rulings:Vennominaga the Deity of Poisonous Snakes|Vennominaga the Deity of Poisonous Snakes]]:''' If "[[Skill Drain]]" is already active on the field when Vennominaga is Special Summoned, the effect of Vennominaga is negated.
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*'''[[Card Rulings:Level Warrior|Level Warrior]]''': If "[[Level Warrior]]" Special Summons itself and its Level changes to 2 or 4, then when "[[Skill Drain]]" is activated, the Level of "[[Level Warrior]]" will not return to 3.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48847&event=FE0006 Konami FAQ]: Can "Skill Drain" negate the effect of "Level Warrior" which changes its Level?</ref>
  
* '''[[Card Rulings:Worm Dimikles|Worm Dimikles]]:''' If “[[Skill Drain]]is activated after “[[Worm Dimikles]]” gains 300 ATK and DEF, the effect to gain ATK and DEF is then negated.
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*'''[[Card Rulings:Mist Valley Thunderbird|Mist Valley Thunderbird]]''': The "''cannot attack''" effect of "[[Mist Valley Thunderbird]]" is resolved as the same effect which Special Summons it. Thus, if "[[Skill Drain]]" is active, then "[[Mist Valley Thunderbird]]" still cannot attack.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=57084&event=FE0006 Konami OCG FAQ]: If you activate "Skill Drain" and Special Summon "Mist Valley Thunderbird" by its effect, then can it attack?</ref>
  
===If the Monster is Not Face-Up===
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*'''[[Card Rulings:Number 11: Big Eye|Number 11: Big Eye]]''': After you apply the effect of "[[Number 11: Big Eye]]", you retain control of the monster even if "[[Number 11: Big Eye]]" is removed from the field or if "[[Skill Drain]]" is activated.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=64236&event=FE0006 Konami OCG FAQ]: If "Number 11: Big Eye" is removed from the field after applying its effect, then what happens to the monster of which you gained control?</ref>
* "[[Skill Drain]]" will not negate an [[Ignition Effect]] or [[Trigger Effect]] if the [[Effect Monsters|Effect Monster]] is not [[face-up]] on the field when the effect resolves.<ref name="Indiv-SkillDrain"/>
 
  
* "[[Skill Drain]]" does not stop you from activating [[Ignition Effect]]s, but it does negate their effects as long as the [[Effect Monsters|Effect Monster]] remains on the field. <ref name="Indiv-SkillDrain"/>
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*'''[[Card Rulings:Number 20: Giga-Brilliant|Number 20: Gig-Anto Brilli-Ant]]''': If you increase a monster's ATK and then "[[Skill Drain]]" is activated, then the increase to ATK remains.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=63704&event=FE0006 Konami OCG FAQ]: The ATK increase from the effect of "Number 20: Gig-Anto Brilli-Ant" lasts for how long?</ref>
**If you Tribute "[[Cannon Soldier]]" to itself while "[[Skill Drain]]" is active, "[[Cannon Soldier]]"'s effect is not negated because "[[Cannon Soldier]]" is in the [[Graveyard]], but if you [[Tribute]] a different monster for "[[Cannon Soldier]]"'s effect, then the effect is negated and your opponent takes no damage.
 
**Likewise, if you activate "[[Winged Minion]]"'s effect while "[[Skill Drain]]" is active, "[[Winged Minion]]" is no longer on the field and its effect resolves.  
 
** If you activate "[[Exiled Force]]"'s effect while "[[Skill Drain]]" is active, "[[Exiled Force]]" is no longer on the field and you can select and destroy 1 monster on the field.
 
**If you Tribute "[[Paladin of White Dragon]]" to activate its effect while "[[Skill Drain]]" is active, it is no longer on the field and you can [[Special Summon]] "[[Blue-Eyes White Dragon]]".
 
**If you Tribute "[[Great Dezard]]" while "[[Skill Drain]]" is active, it is no longer on the field and you can [[Special Summon]] "[[Fushioh Richie]]".
 
  
* '''[[Card Rulings:Big Shield Gardna|Big Shield Gardna]]:''' "[[Skill Drain]]" only negates the effects of monsters that are [[face-up]] on the field, so a [[face-down]] "[[Big Shield Gardna]]" may still negate a [[Spell Cards|Spell Card]] that targets it while "[[Skill Drain]]" is active on the field. It will still be flipped to [[face-up]] [[Battle Position#Defense Position|Defense Position]], and now its effect that changes its battle position when it is attacked will be negated.
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*'''[[Card Rulings:Plaguespreader Zombie|Plaguespreader Zombie]]''': ''See above; listed under "[[The Fabled Ganashia]]".''
  
* '''[[Card Rulings:Doomcaliber Knight|Doomcaliber Knight]]''': If "[[Doomcaliber Knight]]'s" effect activates while "[[Skill Drain]]" is face-up on the field, its effect is not negated because it is not on the field when its effect [[resolve]]s.
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*'''[[:Card Rulings:The Fabled Ganashia|The Fabled Ganashia]]''': If "[[The Fabled Ganashia]]" or "[[Plaguespreader Zombie]]" was Special Summoned by its effect, then it is removed from play if it would be removed from the field even if the effect of "[[Skill Drain]]" is active.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=52029&event=FE0006 Konami FAQ]: If "Skill Drain" has been activated, then is "The Fabled Ganashia" removed from play if it would be removed from the field after it was Special Summoned by its effect?</ref>
  
* '''[[Card Rulings:Winged Kuriboh LV10|Winged Kuriboh LV10]]:''' You can activate the effect of "[[Winged Kuriboh LV10]]" if "[[Skill Drain]]" is on the field, and its effect will resolve normally and not be negated, because it is no longer a [[face-up]] monster on the field.
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*'''[[Card Rulings:The Tyrant Neptune|The Tyrant Neptune]]''': After "[[The Tyrant Neptune]]" gains the name and effects of a monster, if "[[Skill Drain]]" is activated, then "[[The Tyrant Neptune]]" keeps its changed name. If "[[The Tyrant Neptune]]" gained a [[Continuous Effect]], then "[[Skill Drain]]" negates that effect. If "[[The Tyrant Neptune]]" gained an [[Ignition]], [[Trigger]], or [[Quick Effect]], then the effect can be [[activate]]d, but "[[Skill Drain]]" will negate the effect when it resolves.<ref name="TyraNept-SkillDrain-GainedEffects">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54089&event=FE0006 Konami FAQ]: Does "Skill Drain" negate the name and the effects gained by "The Tyrant Neptune"?</ref>
  
===On Removing Lingering Effects which Modify ATK/DEF===
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*'''[[Card Rulings:Trident Dragion|Trident Dragion]]''': After the effect of "[[Trident Dragion]]" resolves and it gains the ability to attack multiple times, if "[[Skill Drain]]" is activated, then the effect has already resolved so "[[Trident Dragion]]" can still attack multiple times.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48689&event=FE0006 Konami FAQ]: If the effect of "Trident Dragion" which allows it to attack multiple times has already resolved, then can "Skill Drain" negate it?</ref>
* When a monster's [[ATK]] or [[DEF]] are changed by its own effect, like "[[Slate Warrior]]" or "[[Berserk Dragon]]", and "[[Skill Drain]]" is activated, that monster's effect is negated and the [[ATK]]/[[DEF]] are returned to normal. Even if "[[Skill Drain]]" is then destroyed, the old adjustment to [[ATK]]/[[DEF]] does not come back. Any bonuses or penalties are lost when "[[Skill Drain]]" effect is applied, and you have to start over from the beginning.<ref name="Indiv-SkillDrain"/>
 
  
* If your opponent uses "[[Bazoo the Soul-Eater]]"'s effect to increase its [[ATK]], and you use "[[Skill Drain]]", "[[Bazoo the Soul-Eater]]"'s [[ATK]] returns to normal, even if "[[Skill Drain]]" is destroyed after resolving. If "[[Skill Drain]]" is negating "[[Bazoo the Soul-Eater]]"'s effect, you can still pay the cost and remove monsters in your Graveyard from play, but "[[Bazoo the Soul-Eater]]"'s [[ATK]] will not increase.<ref name="Indiv-SkillDrain"/>
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===Versus Conditions/Costs===
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*'''[[:Card Rulings:Backup Warrior|Backup Warrior]]''': The text "''If this card is [[Special Summon]]ed, you cannot [[Synchro Summon]] this turn.''" of "[[Backup Warrior]]" is not treated as an effect of an [[Effect Monster]], so "[[Skill Drain]]" cannot negate it. Thus, you cannot [[Synchro Summon]] during the turn in which you Special Summon "[[Backup Warrior]]" even if the effect of "[[Skill Drain]]" is active.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53644&event=FE0006 Konami FAQ]: Can you Synchro Summon if "Backup Warrior" was Special Summoned while "Skill Drain" was active?</ref>
  
* The effects of "[[Zombyra the Dark]]" are negated while "[[Skill Drain]]" is active, so "[[Zombyra the Dark]]" can attack your opponent directly, and its [[ATK]] is not decreased because of its effect. If "[[Skill Drain]]" is destroyed, "[[Zombyra the Dark]]"'s [[ATK]] is not changed.<ref name="Indiv-SkillDrain"/>
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*'''[[Card Rulings:Blackwing - Breeze the Zephyr|Blackwing - Breeze the Zephyr]]''': The text "''This card cannot be used to [[Synchro Summon]] a [[Synchro Monster]] except a "[[Blackwing]]" monster.''" of "[[Blackwing - Breeze the Zephyr]]" is not treated as an effect of an Effect Monster, so it cannot be negated by "[[Skill Drain]]". Thus, even while "[[Skill Drain]]" is active, you cannot use "[[Blackwing - Breeze the Zephyr]]" as a [[Synchro Material]] for a non-"[[Blackwing]]" monster.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55296&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can you use "Blackwing - Breeze the Zephyr" as a Synchro Material for a non-"Blackwing" monster?</ref>
  
* The [[ATK]] and [[DEF]] of "[[Gradius' Option]]", the [[ATK]] of "[[Maju Garzett]]", and similar monsters is 0 while "[[Skill Drain]]" is active, and is not restored even if "[[Skill Drain]]" is destroyed.<ref name="Indiv-SkillDrain"/>
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*'''[[Card Rulings:Debris Dragon|Debris Dragon]]''': The effect "''This card can only be used as a Synchro Material Monster...''" of "[[Debris Dragon]]" is not treated as an effect. It cannot be negated by "[[Skill Drain]]".<ref name="DD-SD">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46639&event=FE0006 Konami FAQ]: While the effect of "Skill Drain" is being applied, can you use "Debris Dragon" as Synchro Material Monster for a non-Dragon-Type monster?</ref>
  
* '''[[Card Rulings:Behemoth the King of All Animals|Behemoth the King of All Animals]]:''' If you [[Tribute Summon]] "[[Behemoth the King of All Animals]]" with 1 [[Tribute]], and "[[Skill Drain]]" is activated, its [[ATK]] becomes 2700 points. Even if "[[Skill Drain]]" is destroyed, the [[ATK]] remains at 2700 points.
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*'''[[Card Rulings:Fishborg Blaster|Fishborg Blaster]]''': The text "''if this card is used as a [[Synchro Material Monster]], the other [[Synchro Material Monster]]s must all be [[WATER]] monsters''" of "[[Fishborg Blaster]]" is not treated as an effect. It cannot be negated by cards like "[[Skill Drain]]", so all the other [[Synchro Material Monster]]s must be [[WATER]] even if "[[Skill Drain]]" is active.<ref name="FBG-SD">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=49777&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can the Synchro Materials for a Synchro Summon be "Fishborg Blaster" and non-WATER monsters?</ref>
  
* '''[[Card Rulings:Berserk Dragon|Berserk Dragon]]:''' While "[[Skill Drain]]" is active, "[[Berserk Dragon]]"'s effects are negated. But "[[Berserk Dragon]]"'s effect doesn't count turns, so if "[[Skill Drain]]" was active for 4 turns, and is then [[destroyed]], do not reduce "[[Berserk Dragon]]"'s [[ATK]] for those 4 turns.
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*'''[[Card Rulings:Koa'ki Meiru|Koa'ki Meiru]]''': The text "''During each of your {{sic|[[Standby Phase]]s}}, [[destroy]] this card unless you [[send]] 1 "[[Iron Core of Koa'ki Meiru]]" from your [[hand]] to the [[Graveyard]].''" of "[[Koa'ki Meiru Valafar]]" is a [[Maintenance Cost]]. It cannot be negated by the effect of "[[Skill Drain]]", so you must still pay the [[Maintenance Cost]] during your {{sic|[[Standby Phase]]s}}.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48814&event=FE0006 Konami FAQ]: Can the effect of "Skill Drain" negate the Maintenance Cost of "Koa'ki Meiru Valafar" etc?</ref>
  
* '''[[Card Rulings:Black-Winged Dragon|Black-Winged Dragon]]''': If '''[[Skill Drain]]''' is activated while '''[[Black-Winged Dragon]]''' has Black Feather Counters, all those [[Counter]]s are removed and the ATK of '''[[Black-Winged Dragon]]''' returns to its original value.
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*'''[[Card Rulings:Quickdraw Synchron|Quickdraw Synchron]]''': The only effect of "[[Quickdraw Synchron]]" is its effect which Special Summons it. If "[[Skill Drain]]" is active or if "[[Forbidden Chalice]]" affects "[[Quickdraw Synchron]]", then the rest of the text of "[[Quickdraw Synchron]]" is still applied and is not negated.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51154&event=FE0006 Konami FAQ]: Is any of the text of "Quickdraw Synchron" treated as the effect of an Effect Monster?</ref>
  
* '''[[Card Rulings:Card Trooper|Card Trooper]]''': If "[[Skill Drain]]" is activated after "[[Card Trooper]]'s" first effect has been activated, the increase in ATK will be negated. Even if "[[Skill Drain]]" leaves play, the increase in ATK will not return.
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*'''[[:Card Rulings:Rapid Warrior|Rapid Warrior]]''': After the effect of "[[Rapid Warrior]]" is [[activate]]d, you cannot attack with your other monsters even if the effect of "[[Skill Drain]]" is applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55653&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied after resolving the effect of "Rapid Warrior", then can the other monsters attack?</ref>
  
*'''[[Card Rulings:Crusader of Endymion|Crusader of Endymion]]''': If "[[Skill Drain]]" is activated, this card loses any [[ATK]] gained from its own effect.
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*'''[[Card Rulings:Torapart|Torapart]]''': If "[[Torapart]]" is used as a [[Synchro Material Monster]] while its effect is negated by "[[Alector, Sovereign of Birds]]" or "[[Forbidden Chalice]]" or "[[Skill Drain]]", then the effect of "[[Torapart]]" is still applied and Trap Cards cannot be activated until the end of the [[Damage Step]] when the Synchro Monster attacks.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48871&event=FE0006 Konami FAQ]: When "Torapart" is used as a Synchro Material Monster while its effect is negated, do you apply the effect which prevents Trap Cards from being activated?</ref>
  
* '''[[Card Rulings:Darkblaze Dragon|Darkblaze Dragon]]''': If "[[Skill Drain]]" is [[face-up]] on the field when "[[Darkblaze Dragon]]" is [[Special Summon]]ed from the [[Graveyard]], or if "[[Skill Drain]]" is activated after "[[Darkblaze Dragon]]" is [[Special Summon]]ed from the [[Graveyard]], "[[Skill Drain]]" will [[negate]] "[[Darkblaze Dragon|Darkblaze Dragon's]]" effect that doubles its original [[ATK]] and [[DEF]] to create a new current [[ATK]] and [[DEF]]. If "[[Skill Drain]]" is later [[negate]]d or removed from the field, the original [[ATK]] and [[DEF]] are not doubled again.
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===Versus Continuous Effects/Non-Chainable Effects===
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*'''[[Card Rulings:Archlord Kristya|Archlord Kristya]]''': If a face-up "[[Archlord Kristya]]" is sent from the field to the Graveyard while "[[Skill Drain]]" is active, then it is not returned to the top of the Deck, and is sent to the Graveyard instead.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48075&event=FE0006 Konami FAQ]: Is "Archlord Kristya" returned to the top of the Deck when sent to the Graveyard while the effect of "Skill Drain" is being applied?</ref>
  
* '''[[Card Rulings:Earthbound Immortal Wiraqocha Rasca|Earthbound Immortal Wiraqocha Rasca]]''': If "[[Skill Drain]]" is activated, this card loses any [[ATK]] gained from its effect and will not regain it even if "[[Skill Drain]]" later leaves the field.
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*'''[[:Card Rulings:Blizzard Princess|Blizzard Princess]]''': If "[[Skill Drain]]" is active when you Normal Summon "[[Blizzard Princess]]", then the effect "''your opponent cannot activate Spell or Trap Cards''" is negated, so your opponent may activate Spell or Trap Cards. Also, your opponent may still activate Spell or Trap Cards even if, afterwards, the effect of "[[Skill Drain]]" is no longer applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56412&event=FE0006 Konami FAQ]: If "Blizzard Princess" is Normal Summoned while "Skill Drain" is applied, then is the effect negated?</ref>
  
*'''[[Card Rulings:Egotistical Ape|Egotistical Ape]]''': If '''[[Skill Drain]]''' is activated while '''[[Egotistical Ape]]''' is on the field, it will become [[Level]] 5 again and remain [[Level]] 5 even if '''[[Skill Drain]]''' is later removed from the field.<ref name=KonamiDREV>[http://www.yugioh-card.com/en/gameplay/rulings/DREVRulebook_100803.pdf Konami Gameplay FAQ]: Duelist Revolution Sneak Peek -- Card Rulings (version 1.0)</ref>
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*'''[[Card Rulings:Dark Elf|Dark Elf]]''': The effects of "[[Dark Elf]]", "[[Panther Warrior]]", and "[[Mist Valley Falcon]]" are Continuous Effects, so they will be negated by "[[Skill Drain]]". While "[[Skill Drain]]" is active, you do not need to pay Life Points to attack with "[[Dark Elf]]", you do not need to Tribute a monster to attack with "[[Panther Warrior]]", and you do not need to return a card on the field to the hand to attack with "[[Mist Valley Falcon]]".<ref name="SkiDra-Attacking">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50490&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can "Dark Elf" attack without paying Life Points, and so on?</ref>
  
* '''[[Card Rulings:Exodia Necross|Exodia Necross]]:''' While "[[Skill Drain]]" is active, "[[Exodia Necross]]"' [[ATK]] is returned to its original 1800 points. Even if "[[Skill Drain]]" then leaves play, "[[Exodia Necross]]" does no{{sic}} regain any [[ATK]] increases it had because of its effect, but it will begin to accumulate [[ATK]] points again.
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*'''[[:Card Rulings:Dragunity Dux|Dragunity Dux]] / [[Card Rulings:Dragunity Legionnaire|Dragunity Legionnaire]]''': Suppose that the effect of a monster like "[[Dragunity Dux]]" or "[[Dragunity Legionnaire]]" has its effect resolve and it equips itself with a Level 3 or lower "[[Dragunity]]" monster. If the effect of "[[Skill Drain]]" is then applied, then "[[Dragunity Dux]]" can no longer be equipped with a monster by its own effect, so the Level 3 or lower "[[Dragunity]]" monster equipped to it is destroyed and sent to the Graveyard.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56753&event=FE0006 Konami FAQ]: If the effect of a card like "Dragunity Dux" is negated, then is the equipped Dragon-Type monster destroyed?</ref>
  
* '''[[Card Rulings:Exodia Necross|Exodia Necross]]:''' While "[[Skill Drain]]" is active, "[[Exodia Necross]]" is not destroyed if Exodia pieces are removed from the Graveyard, but it will be destroyed if the effect of "[[Skill Drain]]" disappears.
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*'''[[Card Rulings:Earthbound Immortal|Earthbound Immortal]]''': If the effect of "[[Earthbound Immortal Chacu Challhua]]" is negated by "[[Skill Drain]]", then you still cannot Normal Summon a second "[[Earthbound Immortal Chacu Challhua]]". This is because the effect "''There can only be 1 face-up "[[Earthbound Immortal]]" monster on the field''" of the second "[[Earthbound Immortal Chacu Challhua]]" is still applied while the second "[[Earthbound Immortal Chacu Challhua]]" is in the hand.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=49453&event=FE0006 Konami FAQ]: Can a second "Earthbound Immortal Chacu Challhua" be Normal Summoned after "Skill Drain" was activated?</ref>
  
* '''[[Card Rulings:Fabled Raven|Fabled Raven]]''': If '''[[Skill Drain]]''' is activated after '''[[Fabled Raven]]'''’s effect resolves, the effects of '''[[Fabled Raven]]''' will be negated and its Level and ATK will return to the original and will not go back to their increased values even if '''[[Skill Drain]]''' is [[destroy]]ed later that turn.
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*'''[[Card Rulings:Mist Valley Falcon|Mist Valley Falcon]]''': ''See above; listed under "[[Dark Elf]]".''
  
* '''[[Card Rulings:Felgrand Dragon|Felgrand Dragon]]''': If "[[Skill Drain]]" is [[face-up]] on the field when "[[Felgrand Dragon]]" is [[Special Summon]]ed, or if "[[Skill Drain]]" is activated after "[[Felgrand Dragon]]" is Special Summoned, "[[Skill Drain]]" will [[negate]] "[[Felgrand Dragon|Felgrand Dragon's]]" [[ATK]] gaining effect. If "[[Skill Drain]]" is later negated or removed from the field, the [[ATK]] gain is not reapplied.
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*'''[[Card Rulings:Guardian of Order|Guardian of Order]]''': Even if "[[Skill Drain]]" is negating the effect "''There can only be 1 of this card face-up on the field.''" of a monster like "[[Rai-Jin]]" or "[[Guardian of Order]]", the effect of copies of "[[Rai-Jin]]" or "[[Guardian of Order]]" in your hand will still be active, so you still cannot Normal Summon a second copy of "[[Rai-Jin]]" or "[[Guardian of Order]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51816&event=FE0006 Konami FAQ]: If "Skill Drain" has been activated, then can you Normal Summon a second "Guardian of Order" or "Rai-Jin"?</ref>
  
* '''[[Card Rulings:Fusilier Dragon, the Dual-Mode Beast|Fusilier Dragon, the Dual-Mode Beast]]:''' If you Summoned this card without [[Tribute]], and then "[[Skill Drain]]" is later activated, the [[ATK]] and [[DEF]] are no longer halved. If "[[Skill Drain]]" is later destroyed, the [[ATK]] and [[DEF]] still remain 2800/2000. You can Normal Summon Fusilier Dragon without Tributing monsters while Skill Drain is face-up on the field as it only targets Effect Monsters on the field. Skill Drain will then negate Fusilier Dragon's ATK and DEF reducing effect, increasing it to 2800/2000.
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*'''[[Card Rulings:Infernity Archer|Infernity Archer]]''': Suppose that "[[Infernity Archer]]" attacks your opponent directly. If "[[Skill Drain]]" is activated during the [[Battle Step]], then "[[Infernity Archer]]" cannot attack directly and a [[Replay]] occurs. If "[[Forbidden Chalice]]" is activated during the [[Damage Step]], then a [[Replay]] does not occur, and you calculate damage from the direct attack normally.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=64242&event=FE0006 Konami OCG FAQ]: If you activate "Skill Drain" after attacking directly with "Infernity Archer", then does a Replay occur?</ref>
  
*'''[[Card Rulings:Garlandolf, King of Destruction|Garlandolf, King of Destruction]]''': If "[[Skill Drain]]" is later activated, "[[Garlandolf, King of Destruction]]" will lose any [[ATK]] gained from its own effect and will not regain it if "[[Skill Drain]]" is destroyed.
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*'''[[Card Rulings:Malefic|Malefic]]''': If "[[Skill Drain]]" is negating the effect "''There can only be 1 face-up "[[Malefic]]" monster on the field.''" of a monster like "[[Malefic Blue-Eyes White Dragon]]" or "[[Malefic Red-Eyes B. Dragon]]" or "[[Malefic Stardust Dragon]]", then you still cannot Special Summon a second "[[Malefic Blue-Eyes White Dragon]]", since its effect is still active while it is in the hand.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53774&event=FE0006 Konami FAQ]: Can you Special Summon a second "Malefic Blue-Eyes White Dragon" while the effect of "Skill Drain" is active?</ref>
  
* '''[[Card Rulings:Gigantic Cephalotus|Gigantic Cephalotus]]:''' If "[[Skill Drain]]" is active, "[[Gigantic Cephalotus]]" loses any ATK gained by its effect. The ATK is not regained when "[[Skill Drain]]" is negated or removed from the field.
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*'''[[Card Rulings:Malefic|Malefic]]''': Suppose you remove from play "[[Malefic Blue-Eyes White Dragon]]" with a card like "[[Interdimensional Matter Transporter]]", and then Summon another "[[Malefic Blue-Eyes White Dragon]]", all while "[[Skill Drain]]" is active. During the [[End Phase]], even though the effect "''There can only be 1 face-up "[[Malefic]]" monster on the field.''" of the "[[Malefic Blue-Eyes White Dragon]]" on the field is negated, that effect of the removed-from-play "[[Malefic Blue-Eyes White Dragon]]" is still active, so the removed-from-play "[[Malefic Blue-Eyes White Dragon]]" cannot return to the field. Thus, the removed-from-play "[[Malefic Blue-Eyes White Dragon]]" is sent to the Graveyard.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53759&event=FE0006 Konami FAQ]: Can a second "Malefic Blue-Eyes White Dragon" return to the field by the effect of "Interdimensional Matter Transporter"?</ref>
  
* '''[[Card Rulings:Gladiator Beast Hoplomus|Gladiator Beast Hoplomus]]''': If "[[Gladiator Beast Hoplomus]]" is [[Special Summon]]ed by the effect of a "[[Gladiator Beasts|Gladiator Beast]]" monster, its original [[DEF]] becomes 2400. If "[[Skill Drain]]" is later activated, this effect is negated and "[[Gladiator Beast Hoplomus]]" [[Original ATK and DEF|original DEF]] will return to 2100. Even if "[[Skill Drain]]" is later negated or removed from the field, the original [[DEF]] of "[[Gladiator Beast Hoplomus]]" will remain at 2100.
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*'''[[Card Rulings:Malefic|Malefic]]''': If the effect of a monster like "[[Malefic Blue-Eyes White Dragon]]" or "[[Malefic Red-Eyes B. Dragon]]" or "[[Malefic Stardust Dragon]]" is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then its effect which prevents your other monsters from attacking is also negated, so you can attack with a monster other than "[[Malefic Blue-Eyes White Dragon]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54212&event=FE0006 Konami FAQ]: If the effect of "Malefic Blue-Eyes White Dragon" is negated, then can other monsters attack?</ref>
  
* '''[[Card Rulings:Gladiator Beast Laquari|Gladiator Beast Laquari]]''': If "[[Gladiator Beast Laquari]]" is Special Summoned by the effect of a "[[Gladiator Beasts|Gladiator Beast]]" monster, its Original [[ATK]] and DEF|original ATK]] becomes 2100. If "[[Skill Drain]]" is later activated, this effect is [[negate]]d and "[[Gladiator Beast Laquari|Gladiator Beast Laquari's]]" original [[ATK]] will return to 1800. Even if "[[Skill Drain]]" is later [[negate]]d or removed from the field, the original [[ATK]] of "[[Gladiator Beast Laquari]]" will remain at 1800.
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*'''[[Card Rulings:Malefic|Malefic]]''': If the effect of a monster like "[[Malefic Blue-Eyes White Dragon]]" or "[[Malefic Red-Eyes B. Dragon]]" or "[[Malefic Stardust Dragon]]" is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then its effect "''If there is no face-up Field Spell Card on the field, destroy this card.''" is also negated. Thus, "[[Malefic Blue-Eyes White Dragon]]" won't be destroyed if the [[Field Spell Card]] is removed from being face-up on the field.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54206&event=FE0006 Konami FAQ]: If the effect of "Malefic Blue-Eyes White Dragon" is negated, then is it destroyed by its own effect if there is no longer a Field Card?</ref>
  
* '''[[Card Rulings:Greed Quasar|Greed Quasar]]:''' If “[[Skill Drain]]” is activated, “[[Greed Quasar]]” loses any extra Levels it has. Even if “[[Skill Drain]]is destroyed, the extra Levels remain lost.
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*'''[[Card Rulings:Naturia Bamboo Shoot|Naturia Bamboo Shoot]]''': Suppose that you activate "[[Skill Drain]]" while "[[Naturia Bamboo Shoot]]" is on the field. When "[[Skill Drain]]" is removed from the field, you re-apply the effect of "[[Naturia Bamboo Shoot]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=57622&event=FE0006 Konami OCG FAQ]: If "Skill Drain" stops being applied, then do you apply the effect of "Naturia Bamboo Shoot" a second time?</ref>
  
* '''[[Card Rulings:Legendary Fiend|Legendary Fiend]]''': While "[[Skill Drain]]" is active, the ATK gain disappears. When "[[Skill Drain]]" is [[negate]]d or removed from the field, the ATK gain is not reapplied.
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* '''[[Card Rulings:Naturia Spiderfang|Naturia Spiderfang]]''': "[[Naturia Spiderfang]]" can attack if its effect is being negated by "[[Skill Drain]]", regardless of whether or not the opponent activated the effect of a Spell/Trap/Effect Monster Card during this turn.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=47541&event=FE0006 Konami FAQ]: When "Skill Drain" has been activated, can "Naturia Spiderfang" attack even when the opponent has not activated a card?</ref>
  
* '''[[Card Rulings:Light End Dragon|Light End Dragon]]''': If “[[Skill Drain]]” is activated, the ATK and DEF of “[[Light End Dragon]]” and “[[Dark End Dragon]]” will be restored to their original values. If “[[Skill Drain]]” is destroyed, they will still remain at those original values until lowered again.
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*'''[[Card Rulings:Panther Warrior|Panther Warrior]]''': ''See above; listed under "[[Dark Elf]]".''
  
*'''[[Card Rulings:Machine King - 3000 B.C.|Machine King - 3000 B.C.]]''': If "[[Skill Drain]]" is activated, "[[Machine King - 3000 B.C.]]" loses its [[ATK]] increase and will not regain it even if "[[Skill Drain]]" is destroyed.
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*'''[[Card Rulings:Rai-Jin|Rai-Jin]]''': ''See above; listed under "[[Guardian of Order]]".''
  
* '''[[Card Rulings:Maju Garzett|Maju Garzett]]:''' If "[[Skill Drain]]" is active, "[[Maju Garzett]]"'s [[ATK]] is reset to 0 even if "[[Skill Drain]]" is later [[destroyed]].
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*'''[[Card Rulings:Road Synchron|Road Synchron]]''': If "[[Road Synchron]]" has its Level increased by 1 by its effect and later "[[Skill Drain]]" is activated, then the Level of "[[Road Synchron]]" returns to 4.<ref name="RoaSyn-SkiDra"/>
  
* '''[[Card Rulings:Man Beast of Ares|Man Beast of Ares]]:''' If "[[Man Beast of Ares]]" gains [[ATK]], but then "[[Skill Drain]]" is activated, the [[ATK]] increase is wiped out. Even if "[[Skill Drain]]" is later destroyed, the [[ATK]] increase is not restored. (Although new [[ATK]] can be gained.)
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*'''[[Card Rulings:Road Synchron|Road Synchron]]''': If "[[Skill Drain]]" is active, then the effect "''If this card is used for the [[Synchro Summon]] of a monster other than "[[Road Warrior]]", its Level is decreased by 2.''" of "[[Road Synchron]]" will be negated, and it will be used as a Level 4 monster.<ref name="RoaSyn-SkiDra">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50296&event=FE0006 Konami FAQ]: While "Skill Drain" is active, if "Road Synchron" is used as a Synchro Material, does it return to its original Level?</ref>
  
* '''[[Card Rulings:Megarock Dragon|Megarock Dragon]]:''' If "[[Skill Drain]]" is active while "[[Megarock Dragon]]" is in play, the effect of "[[Megarock Dragon]]" is negated and its original [[ATK]] and [[DEF]] are treated as zero. Even if "[[Skill Drain]]" is destroyed later, the original [[ATK]] and [[DEF]] of "[[Megarock Dragon]]" will remain zero.
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*'''[[:Card Rulings:Sergeant Electro|Sergeant Electro]]''': If the effect of "[[Sergeant Electro]]" is negated by an effect like "[[Skill Drain]]", then the selected Spell or Trap Card can now be [[activate]]d. Also, if the effect of "[[Skill Drain]]" is no longer applied, then the card selected by "[[Sergeant Electro]]" can no longer be [[activate]]d.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55662&event=FE0006 Konami FAQ]: If the effect of "Sergeant Electro" is negated, then can the selected Spell or Trap Card be activated?</ref>
  
* '''[[Card Rulings:Montage Dragon|Montage Dragon]]''': If "[[Skill Drain]]" is active while "[[Montage Dragon]]" is face-up on the field, its ATK becomes 0. If "[[Skill Drain]]" is later negated or removed from the field, its ATK remains 0.
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*'''[[Card Rulings:Spell Counter|Spell Counter]]''':If an effect like "[[Skill Drain]]" negates the effect of a card like "[[Breaker the Magical Warrior]]" or "[[Royal Magical Library]]", then all Spell Counters are removed from the monster.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54681&event=FE0006 Konami FAQ]: What happens if you negate the effect of a card that has Spell Counters on it?</ref>
  
*'''[[Card Rulings:Ogre of the Scarlet Sorrow|Ogre of the Scarlet Sorrow]]''':If [[Skill Drain]]is activated, the [[ATK]]/[[DEF]] of “[[Ogre of the Scarlet Sorrow]]” will become 0 and remain 0 even if “[[Skill Drain]]” is later destroyed.
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* '''[[Card Rulings:Tuningware|Tuningware]]''': If "[[Skill Drain]]" is active, you cannot use the effect of "[[Tuningware]]" to treat it as a Level 2 monster for a Synchro Summon.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=45989&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied, can you use "Tuningware" as a Level 2 monster for a Synchro Summon?</ref>
  
* '''[[Card Rulings:Sea Dragon Lord Gishilnodon|Sea Dragon Lord Gishilnodon]]''': If “[[Sea Dragon Lord Gishilnodon]]’s” effect [[activate]]s, and later “[[Skill Drain]]” is activated, “[[Sea Dragon Lord Gishilnodon]]” drops to 2300 ATK again. Even if “[[Skill Drain]]” is destroyed after that, “[[Sea Dragon Lord Gishilnodon]]” remains at 2300 ATK until its effect is triggered again.
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*'''[[Card Rulings:Ultimate Obedient Fiend|Ultimate Obedient Fiend]]''': The effect "''This card can only attack if this card is the only card on your side of the field and if you also have no cards in your hand.''" of "[[Ultimate Obedient Fiend]]" will be negated by "[[Skill Drain]]", so that "[[Ultimate Obedient Fiend]]" can attack while you have one or more cards in your hand.<ref name="SkiDra-Attacking"/>
  
* '''[[Card Rulings:Trident Dragion|Trident Dragion]]''': If “[[Trident Dragion]]” gains additional attacks, and then “[[Skill Drain]]” is activated later, it does not remove the additional attacks from [[Trident Dragion]].”
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===Miscellaneous===
 +
*'''[[Card Rulings:Djinn of Rituals|Djinn of Rituals]]''': The effect of "[[Djinn Releaser of Rituals]]" which prevents your opponent from Special Summoning and the effect of "[[Djinn Presider of Rituals]]" which lets you draw when an opponent's monster is destroyed are not treated as effects of the [[Ritual Monster]] which was [[Ritual Summon]]ed. Thus, if the effect of the [[Ritual Monster]] is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then the effect of "[[Djinn Releaser of Rituals]]" which prevents your opponent from Special Summoning is still applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51166&event=FE0006 Konami FAQ]: Will "Skill Drain" negate the effect of "[[Djinn Releaser of Rituals]]" which is applied to a Ritual Monster?</ref>
  
* '''[[Card Rulings:UFOroid Fighter|UFOroid Fighter]]''': If "[[UFOroid Fighter]]" is on the field, and then "[[Skill Drain]]" is activated, the [[original ATK and DEF|original ATK & DEF]] will be zero, and will remain zero even if "[[Skill Drain]]" is [[destroyed]] or negated.
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*'''[[Card Rulings:Obelisk the Tormentor|Obelisk the Tormentor]]''': If "[[Obelisk the Tormentor]]" is Special Summoned and "[[Skill Drain]]" is activated during the same turn, then its effect will be negated and "[[Obelisk the Tormentor]]" will not be sent to the Graveyard during the End Phase. However, if "[[Skill Drain]]" is later destroyed, then "[[Obelisk the Tormentor]]" will be sent to the Graveyard during the End Phase.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=47772&event=FE0006 Konami FAQ]: Is "Obelisk the Tormentor" sent to the Graveyard during a turn in which it is Special Summoned and "Skill Drain" is activated?</ref>
  
====Judge List Rulings====
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*'''[[Card Rulings:Supervise|Supervise]]''': If "[[Skill Drain]]" is negating the effect of a [[Gemini Monster]] which has not been [[Normal Summon]]ed a second time, then the [[Gemini Monster]] may be equipped with "[[Supervise]]". The [[Gemini Monster]] will be treated as if it was [[Normal Summon]]ed a second time, but the effect will be negated by "[[Skill Drain]]". If "[[Skill Drain]]" is removed from the field, then you can apply the effect of the [[Gemini Monster]].<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50446&event=FE0006 Konami FAQ]: Can "Supervise" be equipped to a Gemini Monster which is not being treated as a Normal Monster because of "Skill Drain"?</ref>
* '''[[Card Rulings:Chimeratech Overdragon|Chimeratech Overdragon]]''': If "[[Skill Drain]]" is activated, "[[Chimeratech Overdragon]]" will have its ATK reduced to 0 and cannot attack multiple monsters.<ref>[http://web.archive.org/web/20071102225810/entertainment.upperdeck.com/community/forums/thread/844199.aspx UDE Judge List]: Skill Drain's impact on monsters with variable ATK and/or DEF</ref>
 
  
===On Not Removing Previously-Resolved/Lingering Effects===
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*'''[[Card Rulings:Trap Eater|Trap Eater]]''': If a card like "[[Vanity's Fiend]]" or "[[Fossil Dyna Pachycephalo]]" has its effect negated by "[[Skill Drain]]", then you still can send "[[Skill Drain]]" to the Graveyard to Special Summon "[[Trap Eater]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46582&event=FE0006 Konami FAQ]: Can "Trap Eater" be Special Summoned by sending "Skill Drain" to the Graveyard while "Vanity's Fiend" is on the field?</ref>
* When [[Jowls of Dark Demise]]'s effect is activated and resolves, and then "[[Skill Drain]]" is activated afterwards, it has no effect on "[[Jowls of Dark Demise]]"'s effect, so [[control]] of the monster does not change until it is returned to the original [[controller]] at the end of the turn.<ref name="Indiv-SkillDrain"/>
 
  
* "Skill Drain" will not affect lingering effects or conditions that are left over from a previous effect. For example, if you [[Special Summon]] a [[Fusion Monster]] with "[[Summoner of Illusions]]", and then "[[Skill Drain]]" is activated afterwards, the [[Fusion Monsters|Fusion Monster]] is still destroyed in the [[Phase#End Phase|End Phase]]. If you [[Special Summon]] a Fusion Monster with "[[Magical Scientist]]", and then "[[Skill Drain]]" is activated, the [[Fusion Monsters|Fusion Monster]] cannot attack your opponent's [[Life Points]] directly, and is returned to the [[Fusion Deck]] at the end of the turn.<ref name="Indiv-SkillDrain"/>
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*'''[[Card Rulings:Triple Star Trion|Triple Star Trion]]''': If "[[Skill Drain]]" is active and you send "[[Triple Star Trion]]" to the Graveyard as a Tribute for a Tribute Summon or Set, then during the End Phase you can activate its effect which Special Summons it from the Graveyard.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=63758&event=FE0006 Konami OCG FAQ]: If you use "Triple Star Trion" as a Tribute for a Tribute Summon or Set while "Skill Drain" is active, then can you activate its effect?</ref>
  
* If "[[Hino-Kagu-Tsuchi]]"'s effect is activated, and then "[[Skill Drain]]" is activated later, "[[Hino-Kagu-Tsuchi]]"'s effect is not negated and the opponent must discard his/her hand during their next Draw Phase. But if "Skill Drain" is active at the time "[[Hino-Kagu-Tsuchi]]"'s effect activates, then the effect is negated.<ref name="Indiv-SkillDrain"/>
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===In Other Rulings===
 +
*'''[[:Card Rulings:Inverse Universe|Inverse Universe]]''': When "[[Inverse Universe]]" resolves, its effect replaces the monster's ATK and DEF values.<ref name="InvUni-ChangingATKDEF">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53117&event=FE0006 Konami FAQ]: How is the ATK of "Breaker the Magical Warrior" replaced by "Inverse Universe"?</ref>
 +
**Example: There is one Spell Counter on "[[Breaker the Magical Warrior]]" (1900 ATK / 1000 DEF). After "[[Inverse Universe]]" resolves, "[[Breaker the Magical Warrior]]" will have 1000 ATK / 1900 DEF. Afterwards, the ATK of "[[Breaker the Magical Warrior]]" will remain at 1000 ATK / 1900 DEF, even if Spell Counters are removed from or added to "[[Breaker the Magical Warrior]]". If "[[Skill Drain]]" is later activated, then "[[Breaker the Magical Warrior]]" will still remain at 1000 ATK / 1900 DEF.<ref name="InvUni-ChangingATKDEF"/>
  
* '''[[Card Rulings:Blackwing - Sirocco the Dawn|Blackwing - Sirocco the Dawn]]:''' If “[[Skill Drain]]is activated after the effect of “[[Blackwing - Sirocco the Dawn]]” resolves, then the effect is not negated. The ATK boost remains, and the other monsters cannot attack this turn.
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==Previously Official Rulings==
 +
{{Previously Official Rulings |UDE's Rulings =
 +
* Paying 1000 [[Life Points]] is a [[cost]].
  
* '''[[Card Rulings:Blue Thunder T-45|Blue Thunder T-45]]''': Even while "[[Skill Drain]]" is active, the "[[Thunder Option Token]]" cannot be [[Tribute]]d for a [[Tribute Summon]].
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===On Negating Activated Effects===
 +
* "[[Skill Drain]]" will negate Flip Effects, and you can chain the activation of "[[Skill Drain]]" to the activation of a Flip Effect, but you cannot activate "[[Skill Drain]]" in the [[Damage Step]] because it does not specifically modify [[ATK]] or [[DEF]], so you cannot chain "[[Skill Drain]]" to a [[Flip Effect]] that is activated because a monster was attacked while [[face-down]].
  
*'''[[Card Rulings:Cyber Dragon Zwei|Cyber Dragon Zwei]]''': If "[[Cyber Dragon Zwei]]" is being treated as "[[Cyber Dragon]]" by its own effect and "[[Skill Drain]]" is activated, the name is still treated as "[[Cyber Dragon]].
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* If you Flip Summon "[[Spear Cretin]]" while "[[Skill Drain]]" is active, "[[Spear Cretin]]"'s effect is negated when it is sent to the [[Graveyard]] because it is a [[Flip Effect]] and "[[Skill Drain]]" negates [[Flip Effect]]s.
  
* '''[[Card Rulings:Gear Golem the Moving Fortress|Gear Golem the Moving Fortress]]:''' If you activate & resolve this card's effect and then "[[Skill Drain]]" is activated, you can still attack directly because "[[Gear Golem the Moving Fortress]]"'s effect is already applied and it's still applied even if "[[Skill Drain]]" is activated.
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* "[[Skill Drain]]" negates [[Quick Effect]]s such as "[[Dark Paladin]]" and "[[Ryu Senshi]]".
  
* '''[[Card Rulings:Level Warrior|Level Warrior]]''': "[[Skill Drain]]" has no effect on "[[Level Warrior]]'s" [[Level]], because "[[Level Warrior]]" is considered to already be on the field with the appropriate [[level]]. So "[[Skill Drain]]" will not cause "[[Level Warrior]]'s" [[Level]] to become 3.
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* [[Spirit monster]]s are not returned to the owner's hand while "[[Skill Drain]]" is active.
  
* '''[[Card Rulings:Magical Scientist|Magical Scientist]]:''' If "[[Skill Drain]]" is activated after a Fusion Monster is [[Special Summon]]ed with "[[Magical Scientist]]", the effect of "[[Magical Scientist]]" (that makes the [[Fusion Monsters|Fusion Monster]] unable to attack directly and have to go back to the [[Extra Deck]]) has been applied already, and is not negated, so the [[Special Summon]]ed [[Fusion Monsters|Fusion Monster]] still cannot attack directly and must go back to the [[Extra Deck]].
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* If a face-down "{{sic|[[Kiseitai|Kisetai]]|"}} is attacked while "[[Skill Drain]]" is active, the effect of "{{sic|Kisetai|"}} is negated, damage calculation is performed, and "{{sic|Kisetai|"}} will not equip itself to the attacking monster. But if "{{sic|Kisetai|"}} is already an [[Equip Spell Card]], and "[[Skill Drain]]" is activated, "{{sic|Kisetai|"}} is unaffected because it is no longer an [[Effect Monster]].
  
* '''[[Card Rulings:Mosaic Manticore|Mosaic Manticore]]''': If "[[Skill Drain]]" is activated after the monsters [[Tribute]]d to [[Tribute Summon]] "[[Mosaic Manticore]]" are [[Special Summon]]ed by its effect, the monsters still cannot attack and their effects are negated.
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* A [[Union Monster]] that attached itself to another monster before "[[Skill Drain]]" became active is unaffected by "[[Skill Drain]]". If "[[Skill Drain]]" is active, you can activate a Union Monster's effect to attach it to another monster, but nothing happens and it remains a monster.
  
* '''[[Card Rulings:Neo-Spacian Dark Panther|Neo-Spacian Dark Panther]]:''' If "[[Skill Drain]]" is activated after "[[Neo-Spacian Dark Panther]]'s" effect has resolved, the effects that the "[[Neo-Spacian Dark Panther|Dark Panther]]" copied will be negated, but it will still keep the copied card name until the end of the turn.
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* '''[[Card Rulings:Archfiend|Archfiend]]''': The effect of rolling a die for an Archfiend will be negated by "[[Skill Drain]]".
  
* '''[[Card Rulings:Oracle of the Sun|Oracle of the Sun]]''': If the [[ATK]] of "[[Oracle of the Sun]]" is being doubled by "[[Supay]]" and "[[Skill Drain]]" is activated, the [[ATK]] remains doubled.
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* '''[[Card Rulings:Balloon Lizard|Balloon Lizard]]:''' While "[[Skill Drain]]" is active, you can't put new counters on "[[Balloon Lizard]]".
  
* '''[[Card Rulings:Plaguespreader Zombie|Plaguespreader Zombie]]''': If "[[Plaguespreader Zombie]]" is Special Summoned from the [[Graveyard]] by its effect and is later removed from the field while "[[Skill Drain]]" is active, it is removed from play.
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* '''[[Card Rulings:Destiny HERO - Captain Tenacious|Destiny HERO - Captain Tenacious]]:''' If "[[Skill Drain]]" is active during the [[Standby Phase]] when this effect resolves, this effect will be negated, even if "[[Skill Drain]]" was activated after your {{sic|[[Destiny HERO|Destiny Hero]]"}} monster was destroyed.
  
* '''[[Card Rulings:Quillbolt Hedgehog|Quillbolt Hedgehog]]''': If "[[Quillbolt Hedgehog]]" is Special Summoned by its effect and is later removed from the field while "[[Skill Drain]]" is active, "[[Quillbolt Hedgehog]]" is still removed from play.
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* '''[[Card Rulings:Light and Darkness Dragon|Light and Darkness Dragon]]''': If "[[Light and Darkness Dragon]]" is Summoned or flipped [[face-up]] while "[[Skill Drain]]" is active, "[[Light and Darkness Dragon]]'s" first effect will be [[negate]]d. Its second effect will still activate whenever a [[Spell Card|Spell]], [[Trap Card|Trap]], or effect of an [[Effect Monster]] is activated, but the effect of "[[Light and Darkness Dragon]]" will be [[negate]]d so the activation of the [[Spell Card|Spell]], [[Trap Card|Trap]], or effect of an [[Effect Monster]] will not be [[negate]]d and "[[Light and Darkness Dragon]]" will not lose [[ATK]] or [[DEF]]. Its third effect that activates when it is destroyed and sent to the Graveyard will not be [[negate]]d because this effect activates and [[resolve]]s while "[[Light and Darkness Dragon]]" is not on the field.
  
* '''[[Card Rulings:Raviel, Lord of Phantasms|Raviel, Lord of Phantasms]]:''' If "[[Skill Drain]]" is activated, any "[[Phantasm Token]]s" on the field still cannot attack. (Also, while "[[Skill Drain]]" is active, "[[Raviel, Lord of Phantasms]]" will not generate any more "[[Phantasm Token]]s".)
+
* '''[[Card Rulings:Majestic Mech - Goryu|Majestic Mech - Goryu]] / [[Card Rulings:Majestic Mech - Ohka|Majestic Mech - Ohka]] / [[Card Rulings:Majestic Mech - Senku|Majestic Mech - Senku]]:''' If "[[Skill Drain]]" is active during the [[End Phase]], it will negate the effects of a "Majestic Mech" so the "Majestic Mech" will not send itself to the [[Graveyard]].
  
* '''[[Card Rulings:Scanner|Scanner]]:''' If “[[Skill Drain]]” is activated after the effect of “[[Scanner]]” resolves, the effect of “[[Scanner]]” is still applied, and “[[Scanner]]” will still be removed from play if it leaves the field.
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===On Negating Continuous/Non-Chainable Effects===
 +
* While "[[Skill Drain]]" is active you cannot [[Tribute]] a [[face-up]] "[[Kaiser Sea Horse|Kaiser Seahorse]]" to [[Tribute Summon]] a [[Level]] 7 or higher [[LIGHT]] monster. However, you can [[Tribute]] a [[face-down]] "Kaiser Seahorse".
  
* '''[[Card Rulings:Sonic Jammer|Sonic Jammer]]:''' If "[[Skill Drain]]" is activated after "[[Sonic Jammer]]"'s effect has resolved, the effect of "Sonic Jammer" is not negated because "[[Skill Drain]]" was not active when "[[Sonic Jammer]]" was flipped, activated its effect, and applied its effect.
+
* Restrictions are also lifted, so you can attack with "[[Ultimate Obedient Fiend]]" even if you have other cards on your side of the field.
  
*'''[[Card Rulings:Splendid Rose|Splendid Rose]]''': If the effect of '''[[Splendid Rose]]''' activates and resolves, then '''[[Skill Drain]]''' or '''[[Forbidden Chalice]]''' is activated, the effect of '''[[Splendid Rose]]''' is not negated. It will be able to attack again.
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* [[Toon Monster]]s' effects are negated while "[[Skill Drain]]" is active and the [[Toon Monster]] is on the field, so they can attack the same turn they are Summoned, you do not have to pay 500 [[Life Points]] to attack with them, and they are not destroyed if "[[Toon World]]" is [[destroy]]ed, but they cannot attack your opponent directly.
  
===Versus Costs/Conditions===
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* "[[Jinzo]]" cannot negate Trap Cards while "[[Skill Drain]]" is already active, because "[[Skill Drain]]" is negating "Jinzo"'s effect. But if "[[Jinzo]]" is already on the field, you cannot activate "[[Skill Drain]]" because "[[Jinzo]]"'s effect prevents you from doing so.
* While "[[Skill Drain]]" is active, "[[Maintenance Costs|maintenance costs]]" are not negated (see the [http://replay.waybackmachine.org/20090226121409/http://entertainment.upperdeck.com/yugioh/en/gameplay/faqs/advancedgameplay/default.aspx Advanced Gameplay FAQ]) so you still have to pay for "[[The Unfriendly Amazon]]", "[[Armor Exe]]", [[Archfiend]]s, etc. However, all other costs are negated, so you do not have to pay to attack with "[[Dark Elf]]" or "[[Jirai Gumo]]".<ref name="Indiv-SkillDrain"/>
 
  
* You can [[Special Summon]] "[[Gilasaurus]]" while "[[Skill Drain]]" is active, but its effect is negated so your opponent does not get to [[Special Summon]].<ref name="Indiv-SkillDrain"/>
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* "[[Goblin Attack Force]]" and "[[Spear Dragon]]" do not change their battle position after attacking while "[[Skill Drain]]" is active. If "[[Goblin Attack Force]]" attacks and changes battle position, then on your next turn you activate "[[Skill Drain]]", you can change "[[Goblin Attack Force]]" back to [[Attack Position]] because its effect that prevents this is negated.
  
* Conditions for Summoning monsters is not negated by "[[Skill Drain]]", so you still must remove 1 [[DARK]] and 1 [[LIGHT]] monster to [[Special Summon]] "[[Chaos Emperor Dragon - Envoy of the End]]", and you cannot Normal Summon or Flip {{sic|Summong}} "[[Terrorking Archfiend]]" if there are no [[Archfiend]]s on the field.<ref name="Indiv-SkillDrain"/>
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* Monsters equipped to "[[Relinquished]]" while "[[Skill Drain]]" is active are negated and destroyed because "[[Relinquished]]" no longer has an effect that allows it to be equipped with a monster, and "[[Relinquished]]"'s [[ATK]] and [[DEF]] are returned to normal.
  
* '''[[Card Rulings:Anteatereatingant|Anteatereatingant]]''': If you activate the effect of “[[Anteatereatingant]], then activate “[[Skill Drain]], “[[Anteatereatingant]]” still can’t attack that turn. (Even if “[[Skill Drain]]” was [[chain]]ed to the effect.)
+
* Monsters that can hold [[Spell Counter]]s, like "[[Skilled Dark Magician]]", no longer have that effect while "[[Skill Drain]]" is active, so they cannot gain more Spell Counters and all Spell Counters already placed on them are removed.
  
* '''[[Card Rulings:Blackwing - Silverwind the Ascendant|Blackwing - Silverwind the Ascendant]]:''' You can activate the effect to destroy monsters when this card is [[Synchro Summon]]ed even if "[[Skill Drain]]" is active. If you do, you will not be able to conduct your [[Battle Phase]], even though the effect is negated.
+
* If "[[Skill Drain]]" is activated after "[[Hayabusa Knight]]"'s first attack, "[[Hayabusa Knight]]" does not get its second attack.
  
* '''[[Card Rulings:Black Luster Soldier - Envoy of the Beginning|Black Luster Soldier - Envoy of the Beginning]]:''' If you activate "[[Black Luster Soldier - Envoy of the Beginning]]"'s first effect, and "[[Skill Drain]]" is chained to it to negate the effect, or if "[[Skill Drain]]" was active before you activated the effect, you cannot attack with "[[Black Luster Soldier - Envoy of the Beginning]]" that turn because the activation of the effect was not negated and the condition that is included will not be negated by "[[Skill Drain]]".
+
* Do not roll dice for [[Archfiend]]s while "[[Skill Drain]]" is active.
  
* '''[[Card Rulings:Chiron the Mage|Chiron the Mage]]:''' The restriction that you can only activate this effect once per turn is a condition, not an effect. So if "[[Skill Drain]]" is on the field, you can pay the cost once per turn (for no effect), but not pay the cost continuously in the same turn.
+
* You can have 2 "[[Gravekeeper's Chief]]s" on the field while "[[Skill Drain]]" is active, but if "[[Skill Drain]]" is destroyed, select 1 of the "[[Gravekeeper's Chief]]s" and destroy it.
  
* '''[[Card Rulings:Combo Fighter|Combo Fighter]] / [[Card Rulings:Combo Master|Combo Master]]:''' If a chain occurred, then "[[Skill Drain]]" was activated, but then "[[Skill Drain]]" was destroyed, this monster can attack twice. (This monster's perception that a [[chain]] occurred is not reset.)
+
* '''[[Card Rulings:Alien Hypno|Alien Hypno]]''': If you take control of your opponent's monster with "[[Alien Hypno]]" and "[[Skill Drain]]" is activated, control of the selected monster is returned to the opponent. If "[[Skill Drain]]" is later [[negate]]d or removed from the field, the selected monster is returned to your control.
  
* '''[[Card Rulings:Debris Dragon|Debris Dragon]]''': All restrictions on “[[Debris Dragon]]” and Synchro Summons are conditions, not effects, so will not be negated by “[[Skill Drain]].
+
* '''[[Card Rulings:Arcana Force EX - The Light Ruler|Arcana Force Ex - The Light Ruler]]''': If "[[Skill Drain]]" is activated after {{sic|"[[Arcana Force EX - The Light Ruler]]"}} is Special Summoned, the effect of {{sic|"[[Arcana Force EX - The Light Ruler]]"}} is negated. If "[[Skill Drain]]" is later negated or removed from the field, the effect of {{sic|"[[Arcana Force EX - The Light Ruler]]"}} is not reapplied.
  
*'''[[Card Rulings:Djinn Presider of Rituals|Djinn Presider of Rituals]]''': The effect to draw when the [[Ritual Monster]] destroys a monster by battle is applied even if "[[Skill Drain]]" is active.
+
* '''[[Card Rulings:Armor Exe|Armor Exe]]:''' If "[[Skill Drain]]" is active and "[[Armor Exe]]" is Summoned, or if "[[Skill Drain]]" is activated after "[[Armor Exe]]" is Summoned, in both cases "[[Armor Exe]]" CAN attack the same turn it was Summoned.
  
*'''[[Card Rulings:Djinn Releaser of Rituals|Djinn Releaser of Rituals]]''': Even if "[[Skill Drain]]" is active, the opponent of the controller of the [[Ritual Monster]] this card was [[Tribute]]d for that cannot [[Special Summon]].
+
* '''[[Card Rulings:Crystal Beast|Crystal Beast]]''': While "[[Skill Drain]]" is active on the field, a "[[Crystal Beast]]" monster that is destroyed will be sent to the Graveyard and cannot be put in the [[Spell & Trap Card Zone]].
  
* '''[[Card Rulings:Fishborg Blaster|Fishborg Blaster]]:''' The requirement that you use [[WATER]]-[[Attribute]] [[Synchro Material Monster]]s when using this monster for a [[Synchro Summon]] is a condition, not an effect. It cannot be negated by "[[Skill Drain]]".
+
* '''[[Card Rulings:Dark Catapulter|Dark Catapulter]]:''' If "[[Skill Drain]]" is activated, all [[counter]]s on "[[Dark Catapulter]]" are removed for no effect.
  
*'''[[Card Rulings:Majestic Dragon|Majestic Dragon]]''': The text of this card is not an effect. It cannot be negated by "[[Skill Drain]]".
+
* '''[[Card Rulings:Dark Hunter|Dark Hunter]]''': While "[[Skill Drain]]" is active, all of "[[Dark Hunter]]'s" effects are negated because the primary effect, "This card's effect changes depending on the number of DARK monsters in your Graveyard", is negated.
  
*'''[[Card Rulings:Mist Valley Thunderbird|Mist Valley Thunderbird]]''': The effect that prevents you from attacking with “[[Mist Valley Thunderbird]]is part of the effect that Special Summons it. It is not negated by “[[Skill Drain]].
+
* '''[[Card Rulings:Dark Magician of Chaos|Dark Magician of Chaos]]:''' While "[[Skill Drain]]" is active, the first and second effects of "[[Dark Magician of Chaos]]" are negated, but the 3rd effect is not negated.
  
* '''[[Card Rulings:Quickdraw Synchron|Quickdraw Synchron]]''': "You can substitute this card for any 1 "[[Synchron]]" [[Tuner]] for a [[Synchro Summon]]" is not an effect. It will not be negated by "[[Skill Drain]]".
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* '''[[Card Rulings:Dark Paladin|Dark Paladin]]:''' "[[Dark Paladin]]"'s +500 [[ATK]] effect is a [[Continuous Effect]]. While "[[Skill Drain]]" is active, the effects of "[[Dark Paladin]]" are negated.
  
* '''[[Card Rulings:Quickdraw Synchron|Quickdraw Synchron]]''': "This card cannot be used as a [[Synchro Material Monster]] except for the [[Synchro Summon]] of a monster that lists a [[Synchron]] monster as a [[Tuner]]" is not an effect. It will not be negated by "[[Skill Drain]]".
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* '''[[Card Rulings:Doom Shaman|Doom Shaman]]''': If "[[Doom Shaman]]" leaves the field while its effect is negated by "[[Skill Drain]]", etc., monsters Special Summoned by its effect will not be destroyed.
  
*'''[[Card Rulings:Scrap Chimera|Scrap Chimera]]''': "This card cannot be used as a [[Synchro Material Monster]], except for the [[Synchro Summon]] of a "[[Scrap]]" monster, and all other [[Synchro Material Monster]]s must also be "[[Scrap]]" monsters" is not treated as an effect. It won't be [[negate]]d by '''[[Skill Drain]]'''.<ref name=KonamiDREV>[http://www.yugioh-card.com/en/gameplay/rulings/DREVRulebook_100803.pdf Konami Gameplay FAQ]: Duelist Revolution Sneak Peek -- Card Rulings (version 1.0)</ref>
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* '''[[Card Rulings:Elemental HERO Neo Bubbleman|Elemental HERO Neo Bubbleman]]:''' If "[[Skill Drain]]" is active, this card is no longer treated as {{sic|"[[Elemental Hero Bubbleman]]"}}.
  
* '''[[Card Rulings:Terrorking Archfiend|Terrorking Archfiend]]:''' While "[[Skill Drain]]" is active, you still need to have an [[Archfiend]] [[Monster Cards|Monster Card]] on your side of the field in order to [[Normal Summon]] or [[Flip Summon]] "[[Terrorking Archfiend]]".
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* '''[[Card Rulings:Elemental HERO Wildheart|Elemental HERO Wildheart]]:''' For {{sic|"[[Elemental Hero Wildheart]]"}} vs. "[[Skill Drain]]", whichever effect was active on the field first takes precedence. So if "[[Elemental Hero Wildheart]]" is on the field and "[[Skill Drain]]" is activated, his effect is not negated. But if "[[Skill Drain]]" is on the field and {{sic|"[[Elemental Hero Wildheart]]"}} is Summoned, his effect is negated by "[[Skill Drain]]" as long as "[[Skill Drain]]" remains on the field.
  
* '''[[Card Rulings:The Creator]]:''' If you activate the effect of "[[The Creator]]", and it does not resolve because the opponent chains "[[Skill Drain]]", or removes the targeted monster from the [[Graveyard]] with "[[Disappear]]", you've still used the effect. So you cannot activate its effect again that turn (even if you destroy "[[Skill Drain]]").
+
* '''[[Card Rulings:Fox Fire|Fox Fire]]:''' While "[[Skill Drain]]" is active, you can [[Tribute]] "[[Fox Fire]]" for a [[Tribute Summon]].
  
* '''[[Card Rulings:The Six Samurai - Kamon|The Six Samurai - Kamon]] / [[Card Rulings:The Six Samurai - Yaichi|The Six Samurai - Yaichi]]:''' If "[[The Six Samurai - Kamon|Kamon's]]" effect is used, then "[[Skill Drain]]" is activated later, "[[The Six Samurai - Kamon|Kamon]]" still cannot declare an attack that turn.
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* '''[[Card Rulings:Gladiator Beast Darius|Gladiator Beast Darius]]''': While "Skill Drain" is active, if "Gladiator Beast Darius" is removed from the field, the Special Summoned "Gladiator Beast" monster will remain on the field. If the Special Summoned "Gladiator Beast" monster attacks or is attacked, and it is returned to the Deck to activate its effect, the effect will not be negated because "Gladiator Beast Darius'" effects are being negated by "Skill Drain".
  
* '''[[Card Rulings:Torapart|Torapart]]''': If [[Skill Drain]]is active while you use “[[Torapart]]” to Synchro Summon a monster, [[Torapart]]is now no longer on the field, so the effect of “[[Torapart]]will be applied. So the opponent cannot activate Trap Cards when that [[Synchro Monster]] attacks. This is because the restriction on activating Trap Cards is an effect of “[[Torapart]],” not an effect of the [[Synchro Monster]]. ....
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* '''[[Card Rulings:Gladiator Beast Dimacari|Gladiator Beast Dimacari]]''': If "[[Gladiator Beast Dimacari]]" is [[Special Summon]]ed by the effect of a "[[Gladiator Beast]]" monster, it can attack twice during the [[Battle Phase]]. If "[[Skill Drain]]" is later activated, this effect is [[negate]]d and "[[Gladiator Beast Dimacari]]" will no longer be able to attack twice with its effect. Even if "[[Skill Drain]]" is later [[negate]]d or removed from the field, "[[Gladiator Beast Dimacari]]'s" effect to attack twice during the Battle Phase will not be reapplied.
  
===Versus Effects which Activate Off the Field===
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* '''[[Card Rulings:Gora Turtle of Illusion|Gora Turtle of Illusion]]:''' If "[[Gora Turtle of Illusion]]" is equipped with "[[Snatch Steal]]", both effects of "[[Snatch Steal]]" are negated. But if "Skill Drain" is activated, then "[[Gora Turtle of Illusion]]"'s effect is negated, and "[[Snatch Steal]]"'s effects will resolve properly.
* "[[Skill Drain]]" negates the effects of [[face-up]] [[Effect Monsters]] on the field, but does not negate effects that activate in the [[Graveyard]], such as "[[Witch of the Black Forest]]", "[[Sangan]]", "[[Mystic Tomato]]", "[[Giant Rat]]", "[[Sinister Serpent]]", and "[[Vampire Lord]]".<ref name="Indiv-SkillDrain"/>
 
  
* If your "[[Dark Flare Knight]]" is sent to the [[Graveyard]] while "[[Skill Drain]]" is active, its effect activates in the Graveyard so you can [[Special Summon]] "[[Mirage Knight]]" (but "[[Mirage Knight]]"'s effects will be negated once it is in play).<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Harpie Queen|Harpie Queen]]:''' If "[[Skill Drain]]" is active on the field, while "[[Harpie Queen]]" is on the field its name will not be treated as "Harpie Lady".
  
* If your "[[Neko Mane King]]" is sent to the [[Graveyard]] by your opponent's card effect while "[[Skill Drain]]" is active, its effect is activated.<ref name="Indiv-SkillDrain"/>
+
* '''[[Card Rulings:Mataza the Zapper|Mataza the Zapper]]:''' While "[[Skill Drain]]" is active, you can take control of "[[Mataza the Zapper]]" from your opponent.
  
* If your "[[Twin-Headed Behemoth]]" is destroyed and sent to the [[Graveyard]] while "[[Skill Drain]]" is active, its effect activates and it is Special Summoned.<ref name="Indiv-SkillDrain"/>
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* '''[[Card Rulings:Morphtronic Boomboxen|Morphtronic Boomboxen]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Boomboxen]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
  
* '''[[Card Rulings:Atomic Firefly|Atomic Firefly]]:''' "[[Atomic Firefly]]"'s effect activates in the [[Graveyard]] when "[[Atomic Firefly]]" is sent to the [[Graveyard]] at the end of the attack, so "[[Skill Drain]]" will not negate its effect.
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* '''[[Card Rulings:Morphtronic Cameran|Morphtronic Cameran]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Cameran]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. If "[[Morphtronic Cameran]]" is destroyed by battle while in [[Attack Position]], its effect will not activate because it was destroyed by battle while its "While in Attack Position" effect was being negated.
  
* '''[[Card Rulings:Burning Algae|Burning Algae]]:''' "[[Burning Algae]]"'s effect cannot be negated by "[[Skill Drain]]".
+
* '''[[Card Rulings:Morphtronic Celfon|Morphtronic Celfon]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Celfon]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
  
* '''[[Card Rulings:Chainsaw Insect|Chainsaw Insect]]:''' If "[[Skill Drain]]" is active, your opponent will not get to draw, unless "[[Chainsaw Insect]]" is destroyed in the battle, then its effect will activate in the [[Graveyard]] and your opponent will draw 1 card.
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* '''[[Card Rulings:Morphtronic Clocken|Morphtronic Clocken]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Radion]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
  
* '''[[Card Rulings:D.D. Survivor|D.D. Survivor]]:''' If "[[Skill Drain]]" is active when "[[D.D. Survivor]]" is removed from play, it is still [[Special Summon]]ed because its effect activates during the [[End Phase]] while it is removed from play.
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* '''[[Card Rulings:Morphtronic Datatron|Morphtronic Datatron]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Datatron]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
  
* '''[[Card Rulings:Dark World|Dark World Monsters]]''': The effects of these cards [[activate]] in the [[Graveyard]], so “[[Skill Drain]]” will not [[negate]] their effects.
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* '''[[Card Rulings:Morphtronic Magnen|Morphtronic Magnen]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Magnen]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
  
* '''[[Card Rulings:Giant Kozaky|Giant Kozaky]]:''' The effect of "[[Giant Kozaky]]" that inflicts damage to the [[controller]] activates in the [[Graveyard]] or the "removed zone", wherever "[[Giant Kozaky]]" goes to after being [[destroyed]]. "[[The End of Anubis]]" will negate the effect of "[[Giant Kozaky]]" if it was [[destroyed]] and sent to the Graveyard, but "[[Banisher of the Light]]" will not (because "[[Giant Kozaky]]" does not have to be "[[destroyed]] and sent to the [[Graveyard]]"). Nor will "[[Skill Drain]]" negate the damage if "[[Giant Kozaky]]" is [[destroyed]].
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* '''[[Card Rulings:Morphtronic Radion|Morphtronic Radion]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Radion]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated.
  
* '''[[Card Rulings:Mirage Knight|Mirage Knight]]:''' "[[Mirage Knight]]" can be [[Special Summon]]ed by "[[Dark Flare Knight]]"'s effect even if "[[Skill Drain]]" is active, because "[[Dark Flare Knight]]"'s effect activates in the [[Graveyard]]. However, "[[Mirage Knight]]"'s effects are negated by "[[Skill Drain]]".
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* '''[[Card Rulings:Neo-Spacian Glow Moss|Neo-Spacian Glow Moss]]:''' If "[[Neo-Spacian Glow Moss]]" attacks directly with its effect and "[[Skill Drain]]" is activated in response, "[[Neo-Spacian Glow Moss]]" can no longer attack directly and (another) replay will occur.
  
* '''[[Card Rulings:Sacred Phoenix of Nephthys|Sacred Phoenix of Nephthys]]:''' If "[[Skill Drain]]" is active on the field, the effect of "[[Sacred Phoenix of Nephthys]]" that [[Special Summon]]s it from the [[Graveyard]] is still activated, because it is activated in the [[Graveyard]]. However, the effect that destroys [[Spell Cards|Spell]] and [[Trap Cards]] on the field is negated because it activates on the field (so "[[Skill Drain]]" and other [[Spell Cards|Spell]] and [[Trap Cards]] on the field are not [[destroyed]] in this case).
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* '''[[Card Rulings:Phantom Dragon|Phantom Dragon]]''': If you have 1 face-up "[[Phantom Dragon]]" while "[[Skill Drain]]" is active, when your opponent [[Special Summon]]s a monster you can Special Summon another "[[Phantom Dragon]]" into one of the Monster Card Zones that was made unusable by the negated "[[Phantom Dragon]]".
  
* '''[[Card Rulings:Sand Moth|Sand Moth]]:''' Even if "Skill Drain" is active when "[[Sand Moth]]" is [[Special Summon]]ed by its own effect, its [[ATK]] and [[DEF]] will remained switched. (2000 [[ATK]] / 1000 [[DEF]]).
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* '''[[Card Rulings:Proto-Cyber Dragon|Proto-Cyber Dragon]]:''' If "[[Skill Drain]]" is active, this card is no longer treated as "[[Cyber Dragon]]". You could not use it for "[[Attack Reflector Unit]]", etc.
  
* '''[[Card Rulings:Winged Kuriboh|Winged Kuriboh]]:''' Because the effect of "[[Winged Kuriboh]]" activates in the Graveyard, it will not be negated by "[[Skill Drain]]"...
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* '''[[Card Rulings:Silent Insect|Silent Insect]]:''' If "[[Silent Insect]]" is [[face-up]] on the field, you can activate "Skill Drain" by paying 1000 Life Points, but its effect will be negated. If "[[Skill Drain]]" is active on the field when you Normal or Flip Summon "[[Silent Insect]]", its effects are negated and it will remain in [[Attack Position]].
  
===In Other Rulings===
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* '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' If "[[Skill Drain]]" is active, "[[Spirit Reaper]]" can be equiped with Equip Cards, but if "[[Skill Drain]]" is later removed from the field "[[Spirit Reaper]]" will be [[destroy]]ed.
* '''[[Card Rulings:Amplifier|Amplifier]]''': You cannot activate a card that would cause an infinite loop because its effect cannot [[resolve]] completely. ... Example #2: you [[control]] "[[Jinzo]]" [[equipped]] with "[[Amplifier]]" and "[[Skill Drain]]". Your opponent cannot activate "[[Royal Decree]]".
 
  
* '''[[Card Rulings:Cloudian - Ghost Fog|Cloudian - Ghost Fog]]:''' If "[[Skill Drain]]" is activated while a monster has Fog Counter(s), the Fog Counter(s) remain on the monster.
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* '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' "[[Spirit Reaper]]" can be [[destroy]]ed as a result of battle while "[[Skill Drain]]" is active.
  
* '''[[Card Rulings:Power Bond|Power Bond]]:''' If you Fusion Summon "[[UFOroid Fighter]]" with 3000 [[ATK]], and then later in the turn "[[Skill Drain]]" is activated, reducing its [[ATK]] to 0, you will still take 3000 points of damage during the [[Phase#End Phase|End Phase]]. If you send "[[UFOroid Fighter]]" to the [[Graveyard]] so that its effect resets and its original [[ATK]] becomes zero, you still take damage equal to its original [[ATK]] at the time it was Special Summoned by "[[Power Bond]]".
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* '''[[Card Rulings:The Unhappy Girl|The Unhappy Girl]]:''' If "[[The Unhappy Girl]]" applies her effect to a monster, and "[[Skill Drain]]" is then activated and resolves, and "[[Skill Drain]]" is then [[destroy]]ed afterwards, then "[[The Unhappy Girl]]"'s effect is re-applied and the monster that battled with her before "[[Skill Drain]]" was activated cannot attack or change [[battle position]] once again.
  
* '''[[Card Rulings:Power Capsule|Power Capsule]]:''' You can activate and resolve "[[Power Capsule]]" even if "Skill Drain" is on the field.
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* '''[[Card Rulings:Vennominaga the Deity of Poisonous Snakes|Vennominaga the Deity of Poisonous Snakes]]:''' If "[[Skill Drain]]" is already active on the field when Vennominaga is Special Summoned, the effect of Vennominaga is negated.
  
* '''[[Card Rulings:Spell Counters|Spell Counters]]:''' When "[[Skill Drain]]" is active, and you or your opponent activates a [[Spell Cards|Spell Card]], do not place [[Counter#Spell Counter|Spell Counters]] on this monster. Any [[Counter#Spell Counter|Spell Counters]] that are on this monster are removed when "[[Skill Drain]]" is activated.
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===If the Monster is Not Face-Up===
 +
* "[[Skill Drain]]" will not negate an [[Ignition Effect]] or [[Trigger Effect]] if the [[Effect Monster]] is not [[face-up]] on the field when the effect resolves.
  
* '''[[Card Rulings:Super Double Summon|Super Double Summon]]''': You can activate "[[Super Double Summon]]" and select a [[Gemini Monsters|Gemini Monster]] that is having its effect [[negate]]d by "[[Skill Drain]]". The [[Gemini Monsters|Gemini Monster]] will be treated as having been [[Normal Summon]]ed while face-up on the field, but the effects it gains will be [[negate]]d by "[[Skill Drain]]". If "[[Skill Drain]]" is [[negate]]d or removed from the field later in the turn, the selected [[Gemini Monsters|Gemini Monster’s]] effects will be active and can be used.  
+
* "[[Skill Drain]]" does not stop you from activating [[Ignition Effect]]s, but it does negate their effects as long as the [[Effect Monster]] remains on the field.
 +
** If you Tribute "[[Cannon Soldier]]" to itself while "[[Skill Drain]]" is active, "[[Cannon Soldier]]"'s effect is not negated because "[[Cannon Soldier]]" is in the [[Graveyard]], but if you [[Tribute]] a different monster for "[[Cannon Soldier]]"'s effect, then the effect is negated and your opponent takes no damage.
 +
** Likewise, if you activate "[[Winged Minion]]"'s effect while "[[Skill Drain]]" is active, "[[Winged Minion]]" is no longer on the field and its effect resolves.
 +
** If you activate "[[Exiled Force]]"'s effect while "[[Skill Drain]]" is active, "[[Exiled Force]]" is no longer on the field and you can select and destroy 1 monster on the field.
 +
** If you Tribute "[[Paladin of White Dragon]]" to activate its effect while "[[Skill Drain]]" is active, it is no longer on the field and you can [[Special Summon]] "[[Blue-Eyes White Dragon]]".
 +
** If you Tribute "[[Great Dezard]]" while "[[Skill Drain]]" is active, it is no longer on the field and you can [[Special Summon]] "[[Fushioh Richie]]".
  
* '''[[Card Rulings:Supervise|Supervise]]''': You can equip “[[Supervise]]” to a Gemini monster while [[Skill Drain]]is face-up on the field.
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* '''[[Card Rulings:Big Shield Gardna|Big Shield Gardna]]:''' "[[Skill Drain]]" only negates the effects of monsters that are [[face-up]] on the field, so a [[face-down]] "[[Big Shield Gardna]]" may still negate a [[Spell Card]] that targets it while "[[Skill Drain]]" is active on the field. It will still be flipped to [[face-up]] [[Defense Position]], and now its effect that changes its battle position when it is attacked will be negated.
  
* '''[[Card Rulings:The Agent of Wisdom - Mercury|The Agent of Wisdom - Mercury]]:''' When the effect of "[[The Agent of Wisdom - Mercury]]" is negated by "[[Skill Drain]]", and you have no [[hand]] at the end of your opponent's End Phase, and you destroy "[[Skill Drain]]" before your [[Phase#Standby Phase|Standby Phase]] (such as with "[[Mystical Space Typhoon]]" during your [[Phase#Draw Phase|Draw Phase]]), you CAN draw because "[[Skill Drain]]" was destroyed. This is because the "when you have no cards in your hand during your opponent's [[Phase#End Phase|End Phase]]" is a condition, not an effect, so it is not negated by "[[Skill Drain]]". As long as you can make it so that "[[Skill Drain]]" is not negating "[[The Agent of Wisdom - Mercury]]"'s card-drawing effect by the time the [[Phase#Standby Phase|Standby Phase]] begins, you can draw.
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* '''[[Card Rulings:Doomcaliber Knight|Doomcaliber Knight]]''': If "[[Doomcaliber Knight]]'s" effect activates while "[[Skill Drain]]" is face-up on the field, its effect is not negated because it is not on the field when its effect [[resolve]]s.
  
* '''[[Card Rulings:Trap Eater|Trap Eater]]''': If "[[Vanity's Fiend]]" or "[[Fossil Dyna Pachycephalo]]" are on the [[Playing Field|field]], but "[[Skill Drain]]" is preventing their effects from blocking [[Special Summon]]s, you can [[Summon]] "[[Trap Eater]]" even by sending "[[Skill Drain]]" to the [[Graveyard]].
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* '''[[Card Rulings:Winged Kuriboh LV10|Winged Kuriboh LV10]]:''' You can activate the effect of "[[Winged Kuriboh LV10]]" if "[[Skill Drain]]" is on the field, and its effect will resolve normally and not be negated, because it is no longer a [[face-up]] monster on the field.
  
* '''[[Card Rulings:White Night Dragon|White Night Dragon]]''': If you control your opponent's monster with "[[Snatch Steal]]" while you have "[[White Night Dragon]]" in play and your opponent attacks the equipped monster, if you send "[[Snatch Steal]]" to the [[Graveyard]] to change the attack target no replay occurs. If the effect of "[[White Night Dragon]]" is negated by "[[Skill Drain]]" a replay does occur.
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===On Removing Lingering Effects which Modify ATK/DEF===
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* When a monster's [[ATK]] or [[DEF]] are changed by its own effect, like "[[Slate Warrior]]" or "[[Berserk Dragon]]", and "[[Skill Drain]]" is activated, that monster's effect is negated and the [[ATK]]/[[DEF]] are returned to normal. Even if "[[Skill Drain]]" is then destroyed, the old adjustment to [[ATK]]/[[DEF]] does not come back. Any bonuses or penalties are lost when "[[Skill Drain]]" effect is applied, and you have to start over from the beginning.
  
* '''[[Card Rulings:Zoma the Spirit|Zoma the Spirit]]:''' "[[Zoma the Spirit]]'s" effect cannot be negated by "[[Skill Drain]]".
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* If your opponent uses "[[Bazoo the Soul-Eater]]"'s effect to increase its [[ATK]], and you use "[[Skill Drain]]", "[[Bazoo the Soul-Eater]]"'s [[ATK]] returns to normal, even if "[[Skill Drain]]" is destroyed after resolving. If "[[Skill Drain]]" is negating "[[Bazoo the Soul-Eater]]"'s effect, you can still pay the cost and remove monsters in your Graveyard from play, but "[[Bazoo the Soul-Eater]]"'s [[ATK]] will not increase.
  
==OCG Rulings==
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* The effects of "[[Zombyra the Dark]]" are negated while "[[Skill Drain]]" is active, so "[[Zombyra the Dark]]" can attack your opponent directly, and its [[ATK]] is not decreased because of its effect. If "[[Skill Drain]]" is destroyed, "[[Zombyra the Dark]]"'s [[ATK]] is not changed.
*If "[[Skill Drain]]" is active, then you also negate the effects of [[Flip Effect]] Monsters which were flipped to being [[face-up]] on the field. Also, if a [[face-down]] [[Flip Effect]] Monster is attacked and flipped by battle, then even if it is destroyed by battle, then it is still face-up on the field when its Flip Effect activates after Damage Calculation, so the effect will be negated by "[[Skill Drain]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54703&event=FE0006 Konami FAQ]: Can the effect of "Skill Drain" negate Flip Effects?</ref>
 
  
*The effect of "[[Skill Drain]]" only negates the effects of face-up monsters.  Thus, effects that activate in the Graveyard - like the effects of "[[Sangan]]" or "[[Pyramid Turtle]]" - are not negated by "[[Skill Drain]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54690&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can you negate the effects of monsters like "Sangan" which activate in the Graveyard?</ref>
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* The [[ATK]] and [[DEF]] of "[[Gradius' Option]]", the [[ATK]] of "[[Maju Garzett]]", and similar monsters is 0 while "[[Skill Drain]]" is active, and is not restored even if "[[Skill Drain]]" is destroyed.
  
===On Activating Effects===
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* '''[[Card Rulings:Behemoth the King of All Animals|Behemoth the King of All Animals]]:''' If you [[Tribute Summon]] "[[Behemoth the King of All Animals]]" with 1 [[Tribute]], and "[[Skill Drain]]" is activated, its [[ATK]] becomes 2700 points. Even if "[[Skill Drain]]" is destroyed, the [[ATK]] remains at 2700 points.
*The effect of "[[Skill Drain]]" negates the effects of Effect Monsters; it does NOT prevent Effect Monsters from activating their effects.  Thus, "[[Skill Drain]]" will not prevent you from activating the effects of "[[Exiled Force]]" or "[[Rescue Cat]]".<ref name="SkiDra-XFor-ResCat">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50480&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can an opponent's monster be destroyed by the effect of "[[Exiled Force]]"?</ref>
 
  
*'''[[Card Rulings:Battle Fader|Battle Fader]]''': The effect of "[[Battle Fader]]" which Special Summons it and the effect which ends the Battle Phase are resolved as the same effect. The effect [[activate]]s in the hand, so the effects of "[[Skill Drain]]" and "[[Shadow-Imprisoning Mirror]]" will not negate the effect even though "[[Battle Fader]]" is Special Summoned, so the effect which ends the [[Battle Phase]] will still be applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=52913&event=FE0006 Konami FAQ]: Will the effect of "Battle Fader" end the Battle Phase if "Skill Drain" is active?</ref>
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* '''[[Card Rulings:Berserk Dragon|Berserk Dragon]]:''' While "[[Skill Drain]]" is active, "[[Berserk Dragon]]"'s effects are negated. But "[[Berserk Dragon]]"'s effect doesn't count turns, so if "[[Skill Drain]]" was active for 4 turns, and is then [[destroy]]ed, do not reduce "[[Berserk Dragon]]"'s [[ATK]] for those 4 turns.
  
*'''[[Card Rulings:White Night Dragon|White Night Dragon]]''': While "[[Skill Drain]]" is active and you control your opponent's "[[White Night Dragon]]" because of "[[Snatch Steal]]", if your opponent attacks, then you can activate the effect of "[[White Night Dragon]]" and send "[[Snatch Steal]]" to the Graveyard.  However, "[[White Night Dragon]]" will not change the attack target to itself because it changed sides.  After this, a [[Replay]] occurs because the number of monster you control changed.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=40939&event=FE0006 Konami FAQ]: When "White Night Dragon" sends an equipped "Snatch Steal" to the Graveyard to activate its effect which changes the attack target, is the effect applied?</ref>
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* '''[[Card Rulings:Card Trooper|Card Trooper]]''': If "[[Skill Drain]]" is activated after "[[Card Trooper]]'s" first effect has been activated, the increase in ATK will be negated. Even if "[[Skill Drain]]" leaves play, the increase in ATK will not return.
  
===On the Monster Leaving the Field===
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* '''[[Card Rulings:Darkblaze Dragon|Darkblaze Dragon]]''': If "[[Skill Drain]]" is [[face-up]] on the field when "[[Darkblaze Dragon]]" is [[Special Summon]]ed from the [[Graveyard]], or if "[[Skill Drain]]" is activated after "[[Darkblaze Dragon]]" is [[Special Summon]]ed from the [[Graveyard]], "[[Skill Drain]]" will [[negate]] "[[Darkblaze Dragon]]'s" effect that doubles its original [[ATK]] and [[DEF]] to create a new current [[ATK]] and [[DEF]]. If "[[Skill Drain]]" is later [[negate]]d or removed from the field, the original [[ATK]] and [[DEF]] are not doubled again.
*The effect of "[[Skill Drain]]" negates the effects of Effect Monsters that are face-up on the field.  Thus, it cannot negate the effect of a monster if the monster is in the Graveyard when the monster's activated effect is resolving.  "[[Exiled Force]]" and "[[Rescue Cat]]" Tributes itself or sends itself to the Graveyard as activation costs for their effects, so the monsters are in the Graveyard when their effects resolve. Thus, "[[Skill Drain]]" cannot negate their effects, so you will destroy the monster or Special Summon the [[Beast]]-[[Type]] monsters from your Deck.<ref name="SkiDra-XFor-ResCat"/>
 
  
*'''[[Card Rulings:Stardust Dragon|Stardust Dragon]]''': "[[Skill Drain]]" has no effect on "[[Stardust Dragon]]". For the first effect, Tributing "[[Stardust Dragon]]" is a cost, so "[[Stardust Dragon]]" is not on the field and is unaffected by "[[Skill Drain]]".  The second effect activates in the Graveyard, so "[[Skill Drain]]" cannot negate it.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=43913&event=FE0006 Konami FAQ]: Is the effect of "Stardust Dragon" negated by "Skill Drain"?</ref>
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* '''[[Card Rulings:Exodia Necross|Exodia Necross]]:''' While "[[Skill Drain]]" is active, "[[Exodia Necross]]"' [[ATK]] is returned to its original 1800 points. Even if "[[Skill Drain]]" then leaves play, "[[Exodia Necross]]" does no{{sic}} regain any [[ATK]] increases it had because of its effect, but it will begin to accumulate [[ATK]] points again.
  
===On Removing Lingering Effects which Modify ATK/DEF===
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* '''[[Card Rulings:Exodia Necross|Exodia Necross]]:''' While "[[Skill Drain]]" is active, "[[Exodia Necross]]" is not destroyed if Exodia pieces are removed from the Graveyard, but it will be destroyed if the effect of "[[Skill Drain]]" disappears.
*<!-- Ash Gash -->'''[[:Card Rulings:{{GetEngName|灰塵王 アッシュ・ガッシュ}}|{{GetEngName|灰塵王 アッシュ・ガッシュ}}]]''': If "[[:{{GetEngName|灰塵王 アッシュ・ガッシュ}}]]" changes its own Level and is then affected by "[[Skill Drain]]", then "[[:{{GetEngName|灰塵王 アッシュ・ガッシュ}}]]" returns its original Level of 4.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55647&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied while the Level of "{{GetEngName|灰塵王 アッシュ・ガッシュ}}" is altered, then what does its Level become?</ref>
 
  
*'''[[Card Rulings:Beast King Barbaros|Beast King Barbaros]]''': If "[[Beast King Barbaros]]" Normal Summoned without Tributes and is then is [[target]]ed by the effect of "[[Blackwing - Gale the Whirlwind]]", then the ATK of "[[Beast King Barbaros]]" will become 950.  If "[[Skill Drain]]" is activated later, then the ATK of "[[Beast King Barbaros]]" will remain at 950, the halved value set by the effect of "[[Blackwing - Gale the Whirlwind]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50504&event=FE0006 Konami FAQ]: If "Skill Drain" is activated after the ATK of "Beast King Barbaros" is halved by the effect of "Blackwing - Gale the Whirlwind", then what does its ATK become?</ref>
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* '''[[Card Rulings:Felgrand Dragon|Felgrand Dragon]]''': If "[[Skill Drain]]" is [[face-up]] on the field when "[[Felgrand Dragon]]" is [[Special Summon]]ed, or if "[[Skill Drain]]" is activated after "[[Felgrand Dragon]]" is Special Summoned, "[[Skill Drain]]" will [[negate]] "[[Felgrand Dragon]]'s" [[ATK]] gaining effect. If "[[Skill Drain]]" is later negated or removed from the field, the [[ATK]] gain is not reapplied.
  
*'''[[:Card Rulings:Cyber Eltanin|Cyber Eltanin]]''': If "[[Cyber Eltanin]]" is affected by "[[Skill Drain]]", then its effect of increasing its ATK is no longer applied, so it will have 0 ATK. If the effect of "[[Skill Drain]]" disappears, then the ATK of "[[Cyber Eltanin]]" will remain at 0.<ref name="Eltanin-ATK">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51406&event=FE0006 Konami FAQ]: What happens to the ATK of "Cyber Eltanin" when it is flipped face-down or when its effect is negated?</ref>
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* '''[[Card Rulings:Fusilier Dragon, the Dual-Mode Beast|Fusilier Dragon, the Dual-Mode Beast]]:''' If you Summoned this card without [[Tribute]], and then "[[Skill Drain]]" is later activated, the [[ATK]] and [[DEF]] are no longer halved. If "[[Skill Drain]]" is later destroyed, the [[ATK]] and [[DEF]] still remain 2800/2000. You can Normal Summon Fusilier Dragon without Tributing monsters while Skill Drain is face-up on the field as it only targets Effect Monsters on the field. Skill Drain will then negate Fusilier Dragon's ATK and DEF reducing effect, increasing it to 2800/2000.
  
*<!-- E.HERO Neos Knight -->If "[[Skill Drain]]" affects "[[:{{GetEngName|E・HERO ネオス・ナイト}}]]" after "[[:{{GetEngName|E・HERO ネオス・ナイト}}]]" increases its ATK by its own effect, then the ATK of "[[:{{GetEngName|E・HERO ネオス・ナイト}}]]" becomes the printed ATK of 2500. Afterwards, the ATK of "[[:{{GetEngName|E・HERO ネオス・ナイト}}]]" will remain at 2500 even if "[[Skill Drain]]" is removed from the field or if its effect is no longer applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54758&event=FE0006 Konami FAQ]: What is the ATK of "{{GetEngName|E・HERO ネオス・ナイト}}" while "Skill Drain" is active?</ref>
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* '''[[Card Rulings:Gigantic Cephalotus|Gigantic Cephalotus]]:''' If "[[Skill Drain]]" is active, "[[Gigantic Cephalotus]]" loses any ATK gained by its effect. The ATK is not regained when "[[Skill Drain]]" is negated or removed from the field.
  
*'''[[Card Rulings:Emissary from Pandemonium|Emissary from Pandemonium]]''': If "[[Emissary from Pandemonium]]" is Summoned with one Tribute, "[[Skill Drain]]" will negate its effect and return its Level to 7 and its ATK and DEF to 2600 and 1800. If "[[Skill Drain]]" is later removed from the field, then the Level of "[[Emissary from Pandemonium]]" will not return to 5 and its ATK and DEF will not be halved.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48857&event=FE0006 Konami FAQ]: When the effect of "Emissary from Pandemonium" is negated by the effect of "Skill Drain", what do its Level, ATK, and DEF become?</ref>
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* '''[[Card Rulings:Gladiator Beast Hoplomus|Gladiator Beast Hoplomus]]''': If "[[Gladiator Beast Hoplomus]]" is [[Special Summon]]ed by the effect of a "[[Gladiator Beast]]" monster, its original [[DEF]] becomes 2400. If "[[Skill Drain]]" is later activated, this effect is negated and "[[Gladiator Beast Hoplomus]]" [[Original ATK and DEF|original DEF]] will return to 2100. Even if "[[Skill Drain]]" is later negated or removed from the field, the original [[DEF]] of "[[Gladiator Beast Hoplomus]]" will remain at 2100.
  
*'''[[Card Rulings:Emissary from Pandemonium|Emissary from Pandemonium]]''': If "[[Emissary from Pandemonium]]" has its ATK/DEF halved by its effect and then it is affected by "[[Shrink]]" or "[[Megamorph]]", then "[[Shrink]]" and "[[Megamorph]]" use 1300 to determine the new ATK.  "[[Shrink]]" will make its ATK 650, etc. If "[[Skill Drain]]" is later activated, then the effect of "[[Emissary from Pandemonium]]" will be negated, but it will still have 650 ATK.<ref name="MftU-ATK">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48845&event=FE0006 Konami FAQ]: When "Emissary from Pandemonium" with its ATK halved is affected by "Shrink" or "Megamorph", how does its ATK change?</ref>
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* '''[[Card Rulings:Gladiator Beast Laquari|Gladiator Beast Laquari]]''': If "[[Gladiator Beast Laquari]]" is Special Summoned by the effect of a "[[Gladiator Beast]]" monster, its Original [[ATK]] and DEF becomes 2100. If "[[Skill Drain]]" is later activated, this effect is [[negate]]d and "[[Gladiator Beast Laquari]]'s" original [[ATK]] will return to 1800. Even if "[[Skill Drain]]" is later [[negate]]d or removed from the field, the original [[ATK]] of "[[Gladiator Beast Laquari]]" will remain at 1800.
  
*'''[[Card Rulings:Fortune Ladies|Fortune Ladies]]''': After a monster like "[[Fortune Lady Earth]]" increases its own Level by its effect, if its Level is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then the Level of "[[Fortune Lady Earth]]" returns to the original Level that is printed on the card.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51058&event=FE0006 Konami FAQ]: When the effect of a monster like "Fortune Lady Earth" is negated by an effect like "Skill Drain", does its altered Level return to the original value?</ref>
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* '''[[Card Rulings:Legendary Fiend|Legendary Fiend]]''': While "[[Skill Drain]]" is active, the ATK gain disappears. When "[[Skill Drain]]" is [[negate]]d or removed from the field, the ATK gain is not reapplied.
  
*'''[[Card Rulings:Majestic Star Dragon|Majestic Star Dragon]]''': If the ATK of "[[Majestic Star Dragon]]" is increased because it negated and then activated the effect of "[[Card Trooper]]", then when it is affected by "[[Skill Drain]]", the ATK of "[[Majestic Star Dragon]]" will return to its original value.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51238&event=FE0006 Konami FAQ]: After "Majestic Star Dragon" increases its ATK by an effect which is treated as its own, if "Skill Drain" is activated, then does it return to the original amount?</ref>
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* '''[[Card Rulings:Maju Garzett|Maju Garzett]]:''' If "[[Skill Drain]]" is active, "[[Maju Garzett]]"'s [[ATK]] is reset to 0 even if "[[Skill Drain]]" is later [[destroy]]ed.
  
*'''[[Card Rulings:Montage Dragon|Montage Dragon]]''': If "[[Montage Dragon]]" is affected by "[[Skill Drain]]", its ATK becomes 0. If "[[Skill Drain]]" is later removed, it does not regain its ATK.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=43969&event=FE0006 Konami FAQ]: When "Montage Dragon" is flipped face down or has its effect negated, what does his ATK become?</ref>
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* '''[[Card Rulings:Man Beast of Ares|Man Beast of Ares]]:''' If "[[Man Beast of Ares]]" gains [[ATK]], but then "[[Skill Drain]]" is activated, the [[ATK]] increase is wiped out. Even if "[[Skill Drain]]" is later destroyed, the [[ATK]] increase is not restored. (Although new [[ATK]] can be gained.)
  
*'''[[Card Rulings:Vice Dragon|Vice Dragon]]''': "[[Skill Drain]]" will negate the effect of "[[Vice Dragon]]", and return its ATK/DEF to the printed values. If "[[Skill Drain]]" is later removed from the field or negated, then the ATK/DEF of "[[Vice Dragon]]" will not be halved again.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=45855&event=FE0006 Konami FAQ]: When the effect of "[[Vice Dragon]]" is negated with "[[Skill Drain]]", what does its ATK/DEF become?</ref>
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* '''[[Card Rulings:Megarock Dragon|Megarock Dragon]]:''' If "[[Skill Drain]]" is active while "[[Megarock Dragon]]" is in play, the effect of "[[Megarock Dragon]]" is negated and its original [[ATK]] and [[DEF]] are treated as zero. Even if "[[Skill Drain]]" is destroyed later, the original [[ATK]] and [[DEF]] of "[[Megarock Dragon]]" will remain zero.
  
*'''[[Card Rulings:The Tyrant Neptune|The Tyrant Neptune]]''': If "[[Skill Drain]]" is active, then the ATK of "[[The Tyrant Neptune]]" becomes 0, and will remain at 0 even if "[[Skill Drain]]" is removed from the field.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54048&event=FE0006 Konami FAQ]: Does the ATK and DEF of "The Tyrant Neptune" become 0 if it is negated by "Skill Drain"?</ref><ref name="TyraNept-SkillDrain-GainedEffects"/>
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* '''[[Card Rulings:Montage Dragon|Montage Dragon]]''': If "[[Skill Drain]]" is active while "[[Montage Dragon]]" is face-up on the field, its ATK becomes 0. If "[[Skill Drain]]" is later negated or removed from the field, its ATK remains 0.
  
*'''[[Card Rulings:Worm Zero|Worm Zero]]''': When the effect of "[[Skill Drain]]" becomes active, the ATK of "[[Worm Zero]]" becomes 0, and will remain 0 even if the effect of "[[Skill Drain]]" disappears.  Also, while "[[Skill Drain]]" is active, the  "''2 or more:''", etc, effects are negated. Once the effect of "[[Skill Drain]]" is no longer applied, the "''2 or more:''", etc, effects are re-applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50810&event=FE0006 Konami FAQ]: When the effects of "Worm Zero" are negated by "Skill Drain", are its ATK and its obtained effects no longer applied?</ref>
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* '''[[Card Rulings:UFOroid Fighter|UFOroid Fighter]]''': If "[[UFOroid Fighter]]" is on the field, and then "[[Skill Drain]]" is activated, the [[original ATK and DEF|original ATK & DEF]] will be zero, and will remain zero even if "[[Skill Drain]]" is [[destroy]]ed or negated.
  
===On Not Removing Lingering Effects===
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====Judge List Rulings====
*<!-- Armoured Bee -->'''[[:Card Rulings:{{GetEngName|アーマード・ビー}}|{{GetEngName|アーマード・ビー}}]]''': Suppose "[[Beast King Barbaros]]" is Summoned without [[Tribute]] (1900 ATK), and then has its ATK halved by the effect of "[[:{{GetEngName|アーマード・ビー}}]]" (to 950 ATK).  If "[[Skill Drain]]" is activated during the same turn, then the ATK of "[[Beast King Barbaros]]" will remain at 950, the halved value it became by the effect of "[[:{{GetEngName|アーマード・ビー}}]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53876&event=FE0006 Konami FAQ]: If "Skill Drain" is activated after an ATK is halved by the effect of "{{GetEngName|アーマード・ビー}}", then what does the value become?</ref>
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* '''[[Card Rulings:Chimeratech Overdragon|Chimeratech Overdragon]]''': If "[[Skill Drain]]" is activated, "[[Chimeratech Overdragon]]" will have its ATK reduced to 0 and cannot attack multiple monsters.<ref>[http://web.archive.org/web/20071102225810/entertainment.upperdeck.com/community/forums/thread/844199.aspx UDE Judge List]: Skill Drain's impact on monsters with variable ATK and/or DEF</ref>
  
*'''[[Card Rulings:Blackwing Armor Master|Blackwing Armor Master]]''': If "[[Skill Drain]]" is activated, do not remove any [[Wedge Counter]]s generated by "[[Blackwing Armor Master]]"<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46463&event=FE0006 Konami FAQ]: Do the Wedge Counters generated by "Blackwing Armor Master" disappear when the effect of "Skill Drain" is applied?</ref>
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===On Not Removing Previously-Resolved/Lingering Effects===
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* When [[Jowls of Dark Demise]]'s effect is activated and resolves, and then "[[Skill Drain]]" is activated afterwards, it has no effect on "[[Jowls of Dark Demise]]"'s effect, so [[control]] of the monster does not change until it is returned to the original [[controller]] at the end of the turn.
  
*'''[[:Card Rulings:Cyber Dragon Zwei|Cyber Dragon Zwei]]''': If the effect of "[[Cyber Dragon Zwei]]" has resolved and its name is being treated as "[[Cyber Dragon]]", then if "[[Skill Drain]]" is activated, then the name of "[[Cyber Dragon Zwei]]" remains as "[[Cyber Dragon]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53025&event=FE0006 Konami FAQ]: If the effect of "Cyber Dragon Zwei" is negated by "Skill Drain", then what does its name become?</ref>
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* "Skill Drain" will not affect lingering effects or conditions that are left over from a previous effect. For example, if you [[Special Summon]] a [[Fusion Monster]] with "[[Summoner of Illusions]]", and then "[[Skill Drain]]" is activated afterwards, the [[Fusion Monster]] is still destroyed in the [[End Phase]]. If you [[Special Summon]] a Fusion Monster with "[[Magical Scientist]]", and then "[[Skill Drain]]" is activated, the [[Fusion Monster]] cannot attack your opponent's [[Life Points]] directly, and is returned to the [[Fusion Deck]] at the end of the turn.
  
*'''[[Card Rulings:Darklord Asmodeus|Darklord Asmodeus]]''': If "[[Skill Drain]]" is activated after "[[Darklord Asmodeus]]" Special Summons the "[[Asmo Token]]" and the "[[Deus Token]]", then the effects "''An "[[Asmo Token]]" cannot be destroyed by card effects. A "[[Deus Token]]" cannot be destroyed by battle.''" are still applied.  This is because [[Token Monsters]] are always treated as [[Normal Monsters]] without effects.  The effect which prevents the "[[Asmo Token]]" and the "[[Deus Token]]" from being destroyed are effects of "[[Darklord Asmodeus]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50284&event=FE0006 Konami FAQ]: If "Skill Drain" is active, can a Token Special Summoned by "Darklord Asmodeus" be destroyed by battle or by card effects?</ref>
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* If "[[Hino-Kagu-Tsuchi]]"'s effect is activated, and then "[[Skill Drain]]" is activated later, "[[Hino-Kagu-Tsuchi]]"'s effect is not negated and the opponent must discard his/her hand during their next Draw Phase. But if "Skill Drain" is active at the time "[[Hino-Kagu-Tsuchi]]"'s effect activates, then the effect is negated.
  
*<!-- Dragunity Primus Pilus -->'''[[:Card Rulings:{{GetEngName|ドラグニティ-プリムス・ピルス}}|{{GetEngName|ドラグニティ-プリムス・ピルス}}]]''': Suppose that the effect of "[[:{{GetEngName|ドラグニティ-プリムス・ピルス}}]]" resolves properly and equips a [[Winged Beast-Type]] "[[Dragunity]]" monster with a [[Dragon-Type]] "[[Dragunity]]" monster.  If the effect of "[[Skill Drain]]" is applied, then the [[Dragon-Type]] monster remains equipped to the [[Winged Beast-Type]] monster.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56735&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied, then does the monster equipped by the effect of "{{GetEngName|ドラグニティ-プリムス・ピルス}}" remain equipped?</ref>
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* '''[[Card Rulings:Blue Thunder T-45|Blue Thunder T-45]]''': Even while "[[Skill Drain]]" is active, the "[[Thunder Option Token]]" cannot be [[Tribute]]d for a [[Tribute Summon]].
  
*'''[[Card Rulings:Genex Recycled|Genex Recycled]]''': After the effect of "[[Genex Recycled]]" resolves, if "[[Skill Drain]]" etc is activated, then the effect of "[[Genex Recycled]]" will not negate the effect.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=47532&event=FE0006 Konami FAQ]: Is the new card name of "Genex Recycled" negated by the effect of "Skill Drain"?</ref>
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* '''[[Card Rulings:Gear Golem the Moving Fortress|Gear Golem the Moving Fortress]]:''' If you activate & resolve this card's effect and then "[[Skill Drain]]" is activated, you can still attack directly because "[[Gear Golem the Moving Fortress]]"'s effect is already applied and it's still applied even if "[[Skill Drain]]" is activated.
  
*'''[[Card Rulings:Level Warrior|Level Warrior]]''': If "[[Level Warrior]]" Special Summons itself and its Level changes to 2 or 4, then when "[[Skill Drain]]" is activated, the Level of "[[Level Warrior]]" will not return to 3.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48847&event=FE0006 Konami FAQ]: Can "Skill Drain" negate the effect of "Level Warrior" which changes its Level?</ref>
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* '''[[Card Rulings:Magical Scientist|Magical Scientist]]:''' If "[[Skill Drain]]" is activated after a Fusion Monster is [[Special Summon]]ed with "[[Magical Scientist]]", the effect of "[[Magical Scientist]]" (that makes the [[Fusion Monster]] unable to attack directly and have to go back to the [[Extra Deck]]) has been applied already, and is not negated, so the [[Special Summon]]ed [[Fusion Monster]] still cannot attack directly and must go back to the [[Extra Deck]].
  
*'''[[Card Rulings:Mist Valley Thunderbird|Mist Valley Thunderbird]]''': The "''cannot attack''" effect of "[[Mist Valley Thunderbird]]" is resolved as the same effect which Special Summons it.  Thus, if "[[Skill Drain]]" is active, then "[[Mist Valley Thunderbird]]" still cannot attack.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=57084&event=FE0006 Konami OCG FAQ]: If you activate "Skill Drain" and Special Summon "Mist Valley Thunderbird" by its effect, then can it attack?</ref>
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* '''[[Card Rulings:Mosaic Manticore|Mosaic Manticore]]''': If "[[Skill Drain]]" is activated after the monsters [[Tribute]]d to [[Tribute Summon]] "[[Mosaic Manticore]]" are [[Special Summon]]ed by its effect, the monsters still cannot attack and their effects are negated.
  
*'''[[Card Rulings:Plaguespreader Zombie|Plaguespreader Zombie]]''': ''See above; listed under "[[:{{GetEngName|魔轟神獣ガナシア}}]]".''
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* '''[[Card Rulings:Neo-Spacian Dark Panther|Neo-Spacian Dark Panther]]:''' If "[[Skill Drain]]" is activated after "[[Neo-Spacian Dark Panther]]'s" effect has resolved, the effects that the "[[Neo-Spacian Dark Panther|Dark Panther]]" copied will be negated, but it will still keep the copied card name until the end of the turn.
  
*<!-- The Fabled Ganashia -->'''[[:Card Rulings:{{GetEngName|魔轟神獣ガナシア}}|{{GetEngName|魔轟神獣ガナシア}}]]''': If "[[:{{GetEngName|魔轟神獣ガナシア}}]]" or "[[Plaguespreader Zombie]]" was Special Summoned by its effect, then it is removed from play if it would be removed from the field even if the effect of "[[Skill Drain]]" is active.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=52029&event=FE0006 Konami FAQ]: If "Skill Drain" has been activated, then is "{{GetEngName|魔轟神獣ガナシア}}" removed from play if it would be removed from the field after it was Special Summoned by its effect?</ref>
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* '''[[Card Rulings:Plaguespreader Zombie|Plaguespreader Zombie]]''': If "[[Plaguespreader Zombie]]" is Special Summoned from the [[Graveyard]] by its effect and is later removed from the field while "[[Skill Drain]]" is active, it is removed from play.
  
*'''[[Card Rulings:The Tyrant Neptune|The Tyrant Neptune]]''': After "[[The Tyrant Neptune]]" gains the name and effects of a monster, if "[[Skill Drain]]" is activated, then "[[The Tyrant Neptune]]" keeps its changed name. If "[[The Tyrant Neptune]]" gained a [[Continuous Effect]], then "[[Skill Drain]]" negates that effect. If "[[The Tyrant Neptune]]" gained an [[Ignition]], [[Trigger]], or [[Quick Effect]], then the effect can be [[activate]]d, but "[[Skill Drain]]" will negate the effect when it resolves.<ref name="TyraNept-SkillDrain-GainedEffects">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54089&event=FE0006 Konami FAQ]: Does "Skill Drain" negate the name and the effects gained by "The Tyrant Neptune"?</ref>
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* '''[[Card Rulings:Quillbolt Hedgehog|Quillbolt Hedgehog]]''': If "[[Quillbolt Hedgehog]]" is Special Summoned by its effect and is later removed from the field while "[[Skill Drain]]" is active, "[[Quillbolt Hedgehog]]" is still removed from play.
  
*'''[[Card Rulings:Trident Dragion|Trident Dragion]]''': After the effect of "[[Trident Dragion]]" resolves and it gains the ability to attack multiple times, if "[[Skill Drain]]" is activated, then the effect has already resolved so "[[Trident Dragion]]" can still attack multiple times.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48689&event=FE0006 Konami FAQ]: If the effect of "Trident Dragion" which allows it to attack multiple times has already resolved, then can "Skill Drain" negate it?</ref>
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* '''[[Card Rulings:Raviel, Lord of Phantasms|Raviel, Lord of Phantasms]]:''' If "[[Skill Drain]]" is activated, any "[[Phantasm Token]]s" on the field still cannot attack. (Also, while "[[Skill Drain]]" is active, "[[Raviel, Lord of Phantasms]]" will not generate any more "[[Phantasm Token]]s".)
  
===Versus Conditions/Costs===
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* '''[[Card Rulings:Sonic Jammer|Sonic Jammer]]:''' If "[[Skill Drain]]" is activated after "[[Sonic Jammer]]"'s effect has resolved, the effect of "Sonic Jammer" is not negated because "[[Skill Drain]]" was not active when "[[Sonic Jammer]]" was flipped, activated its effect, and applied its effect.
*'''[[:Card Rulings:Backup Warrior|Backup Warrior]]''': The text "''If this card is [[Special Summon]]ed, you cannot [[Synchro Summon]] this turn.''" of "[[Backup Warrior]]" is not treated as an effect of an [[Effect Monster]], so "[[Skill Drain]]" cannot negate it.  Thus, you cannot [[Synchro Summon]] during the turn in which you Special Summon "[[Backup Warrior]]" even if the effect of "[[Skill Drain]]" is active.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53644&event=FE0006 Konami FAQ]: Can you Synchro Summon if "Backup Warrior" was Special Summoned while "Skill Drain" was active?</ref>
 
  
*'''[[Card Rulings:Blackwing - Breeze the Zephyr|Blackwing - Breeze the Zephyr]]''': The text "''This card cannot be used to [[Synchro Summon]] a [[Synchro Monster]] except a "[[Blackwing]]" monster.''" of "[[Blackwing - Breeze the Zephyr]]" is not treated as an effect of an Effect Monster, so it cannot be negated by "[[Skill Drain]]". Thus, even while "[[Skill Drain]]" is active, you cannot use "[[Blackwing - Breeze the Zephyr]]" as a [[Synchro Material]] for a non-"[[Blackwing]]" monster.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55296&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can you use "Blackwing - Breeze the Zephyr" as a Synchro Material for a non-"Blackwing" monster?</ref>
+
===Versus Costs/Conditions===
 +
* While "[[Skill Drain]]" is active, "[[Maintenance Cost|maintenance costs]]" are not negated (see the [http://replay.waybackmachine.org/20090226121409/http://entertainment.upperdeck.com/yugioh/en/gameplay/faqs/advancedgameplay/default.aspx Advanced Gameplay FAQ]) so you still have to pay for "[[The Unfriendly Amazon]]", "[[Armor Exe]]", [[Archfiend]]s, etc. However, all other costs are negated, so you do not have to pay to attack with "[[Dark Elf]]" or "[[Jirai Gumo]]".
  
*'''[[Card Rulings:Debris Dragon|Debris Dragon]]''': The effect "''This card can only be used as a Synchro Material Monster...''" of "[[Debris Dragon]]" is not treated as an effect. It cannot be negated by "[[Skill Drain]]".<ref name="DD-SD">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46639&event=FE0006 Konami FAQ]: While the effect of "Skill Drain" is being applied, can you use "Debris Dragon" as Synchro Material Monster for a non-Dragon-Type monster?</ref>
+
* You can [[Special Summon]] "[[Gilasaurus]]" while "[[Skill Drain]]" is active, but its effect is negated so your opponent does not get to [[Special Summon]].
  
*'''[[Card Rulings:Fishborg Blaster|Fishborg Blaster]]''': The text "''if this card is used as a [[Synchro Material Monster]], the other [[Synchro Material Monsters]] must all be [[WATER]] monsters''" of "[[Fishborg Blaster]]" is not treated as an effect.  It cannot be negated by cards like "[[Skill Drain]]", so all the other [[Synchro Material Monsters]] must be [[WATER]] even if "[[Skill Drain]]" is active.<ref name="FBG-SD">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=49777&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can the Synchro Materials for a Synchro Summon be "Fishborg Blaster" and non-WATER monsters?</ref>
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* Conditions for Summoning monsters is not negated by "[[Skill Drain]]", so you still must remove 1 [[DARK]] and 1 [[LIGHT]] monster to [[Special Summon]] "[[Chaos Emperor Dragon - Envoy of the End]]", and you cannot Normal Summon or Flip {{sic|Summong}} "[[Terrorking Archfiend]]" if there are no [[Archfiend]]s on the field.
  
*'''[[Card Rulings:Koa'ki Meiru|Koa'ki Meiru]]''': The text "''During each of your {{sic|[[Standby Phase]]s}}, [[destroy]] this card unless you [[send]] 1 "[[Iron Core of Koa'ki Meiru]]" from your [[hand]] to the [[Graveyard]].''" of "[[Koa'ki Meiru Valafar]]" is a [[Maintenance Cost]]. It cannot be negated by the effect of "[[Skill Drain]]", so you must still pay the [[Maintenance Cost]] during your {{sic|[[Standby Phase]]s}}.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48814&event=FE0006 Konami FAQ]: Can the effect of "Skill Drain" negate the Maintenance Cost of "Koa'ki Meiru Valafar" etc?</ref>
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* '''[[Card Rulings:Anteatereatingant|Anteatereatingant]]''': If you activate the effect of "[[Anteatereatingant]]", then activate "[[Skill Drain]]", "[[Anteatereatingant]]" still can't attack that turn. (Even if "[[Skill Drain]]" was [[chain]]ed to the effect.)
  
*'''[[Card Rulings:Quickdraw Synchron|Quickdraw Synchron]]''': The only effect of "[[Quickdraw Synchron]]" is its effect which Special Summons it.  If "[[Skill Drain]]" is active or if "[[Forbidden Chalice]]" affects "[[Quickdraw Synchron]]", then the rest of the text of "[[Quickdraw Synchron]]" is still applied and is not negated.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51154&event=FE0006 Konami FAQ]: Is any of the text of "Quickdraw Synchron" treated as the effect of an Effect Monster?</ref>
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* '''[[Card Rulings:Black Luster Soldier - Envoy of the Beginning|Black Luster Soldier - Envoy of the Beginning]]:''' If you activate "[[Black Luster Soldier - Envoy of the Beginning]]"'s first effect, and "[[Skill Drain]]" is chained to it to negate the effect, or if "[[Skill Drain]]" was active before you activated the effect, you cannot attack with "[[Black Luster Soldier - Envoy of the Beginning]]" that turn because the activation of the effect was not negated and the condition that is included will not be negated by "[[Skill Drain]]".
  
*<!-- Rapid Warrior -->'''[[:Card Rulings:{{GetEngName|ラピッド・ウォリアー}}|{{GetEngName|ラピッド・ウォリアー}}]]''': After the effect of "[[:{{GetEngName|ラピッド・ウォリアー}}]]" is [[activate]]d, you cannot attack with your other monsters even if the effect of "[[Skill Drain]]" is applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55653&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied after resolving the effect of "{{GetEngName|ラピッド・ウォリアー}}", then can the other monsters attack?</ref>
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* '''[[Card Rulings:Chiron the Mage|Chiron the Mage]]:''' The restriction that you can only activate this effect once per turn is a condition, not an effect. So if "[[Skill Drain]]" is on the field, you can pay the cost once per turn (for no effect), but not pay the cost continuously in the same turn.
  
*'''[[Card Rulings:Torapart|Torapart]]''': If "[[Torapart]]" is used as a [[Synchro Material Monster]] while its effect is negated by "[[Alector, Sovereign of Birds]]" or "[[Forbidden Chalice]]" or "[[Skill Drain]]", then the effect of "[[Torapart]]" is still applied and Trap Cards cannot be activated until the end of the [[Damage Step]] when the Synchro Monster attacks.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48871&event=FE0006 Konami FAQ]: When "Torapart" is used as a Synchro Material Monster while its effect is negated, do you apply the effect which prevents Trap Cards from being activated?</ref>
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* '''[[Card Rulings:Combo Fighter|Combo Fighter]] / [[Card Rulings:Combo Master|Combo Master]]:''' If a chain occurred, then "[[Skill Drain]]" was activated, but then "[[Skill Drain]]" was destroyed, this monster can attack twice. (This monster's perception that a [[chain]] occurred is not reset.)
  
===Versus Continuous Effects/Non-Chainable Effects===
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* '''[[Card Rulings:Terrorking Archfiend|Terrorking Archfiend]]:''' While "[[Skill Drain]]" is active, you still need to have an [[Archfiend]] [[Monster Card]] on your side of the field in order to [[Normal Summon]] or [[Flip Summon]] "[[Terrorking Archfiend]]".
*'''[[Card Rulings:Archlord Kristya|Archlord Kristya]]''': If a face-up "[[Archlord Kristya]]" is sent from the field to the Graveyard while "[[Skill Drain]]" is active, then it is not returned to the top of the Deck, and is sent to the Graveyard instead.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=48075&event=FE0006 Konami FAQ]: Is "Archlord Kristya" returned to the top of the Deck when sent to the Graveyard while the effect of "Skill Drain" is being applied?</ref>
 
  
*<!-- Blizzard Princess -->'''[[:Card Rulings:{{GetEngName|ブリザード・プリンセス}}|{{GetEngName|ブリザード・プリンセス}}]]''': If "[[Skill Drain]]" is active when you Normal Summon "[[:{{GetEngName|ブリザード・プリンセス}}]]", then the effect "''your opponent cannot activate Spell or Trap Cards''" is negated, so your opponent may activate Spell or Trap Cards.  Also, your opponent may still activate Spell or Trap Cards even if, afterwards, the effect of "[[Skill Drain]]" is no longer applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56412&event=FE0006 Konami FAQ]: If "{{GetEngName|ブリザード・プリンセス}}" is Normal Summoned while "Skill Drain" is applied, then is the effect negated?</ref>
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* '''[[Card Rulings:The Creator|The Creator]]:''' If you activate the effect of "[[The Creator]]", and it does not resolve because the opponent chains "[[Skill Drain]]", or removes the targeted monster from the [[Graveyard]] with "[[Disappear]]", you've still used the effect. So you cannot activate its effect again that turn (even if you destroy "[[Skill Drain]]").
  
*'''[[Card Rulings:Dark Elf|Dark Elf]]''': The effects of "[[Dark Elf]]", "[[Panther Warrior]]", and "[[Mist Valley Falcon]]" are Continuous Effects, so they will be negated by "[[Skill Drain]]".  While "[[Skill Drain]]" is active, you do not need to pay Life Points to attack with "[[Dark Elf]]", you do not need to Tribute a monster to attack with "[[Panther Warrior]]", and you do not need to return a card on the field to the hand to attack with "[[Mist Valley Falcon]]".<ref name="SkiDra-Attacking">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50490&event=FE0006 Konami FAQ]: While "Skill Drain" is active, can "Dark Elf" attack without paying Life Points, and so on?</ref>
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* '''[[Card Rulings:The Six Samurai - Kamon|The Six Samurai - Kamon]] / [[Card Rulings:The Six Samurai - Yaichi|The Six Samurai - Yaichi]]:''' If "[[The Six Samurai - Kamon|Kamon's]]" effect is used, then "[[Skill Drain]]" is activated later, "[[The Six Samurai - Kamon|Kamon]]" still cannot declare an attack that turn.
  
*<!-- Dragunity Dux / Legion -->'''[[:Card Rulings:{{GetEngName|ドラグニティ-ドゥクス}}|{{GetEngName|ドラグニティ-ドゥクス}}]] / [[:Card Rulings:{{GetEngName|ドラグニティ-レギオン}}|{{GetEngName|ドラグニティ-レギオン}}]]''': Suppose that the effect of a monster like "[[:{{GetEngName|ドラグニティ-ドゥクス}}]]" or "[[:{{GetEngName|ドラグニティ-レギオン}}]]" has its effect resolve and it equips itself with a Level 3 or lower "[[Dragunity]]" monster.  If the effect of "[[Skill Drain]]" is then applied, then "[[:{{GetEngName|ドラグニティ-ドゥクス}}]]" can no longer be equipped with a monster by its own effect, so the Level 3 or lower "[[Dragunity]]" monster equipped to it is destroyed and sent to the Graveyard.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56753&event=FE0006 Konami FAQ]: If the effect of a card like "{{GetEngName|ドラグニティ-ドゥクス}}" is negated, then is the equipped Dragon-Type monster destroyed?</ref>
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===Versus Effects which Activate Off the Field===
 +
* "[[Skill Drain]]" negates the effects of [[face-up]] [[Effect Monster]]s on the field, but does not negate effects that activate in the [[Graveyard]], such as "[[Witch of the Black Forest]]", "[[Sangan]]", "[[Mystic Tomato]]", "[[Giant Rat]]", "[[Sinister Serpent]]", and "[[Vampire Lord]]".
  
*'''[[Card Rulings:Earthbound Immortals|Earthbound Immortals]]''': If the effect of "[[Earthbound Immortal Chacu Challhua]]" is negated by "[[Skill Drain]]", then you still cannot Normal Summon a second "[[Earthbound Immortal Chacu Challhua]]".  This is because the effect "''There can only be 1 face-up "[[Earthbound Immortal]]" monster on the field''" of the second "[[Earthbound Immortal Chacu Challhua]]" is still applied while the second "[[Earthbound Immortal Chacu Challhua]]" is in the hand.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=49453&event=FE0006 Konami FAQ]: Can a second "Earthbound Immortal Chacu Challhua" be Normal Summoned after "Skill Drain" was activated?</ref>
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* If your "[[Dark Flare Knight]]" is sent to the [[Graveyard]] while "[[Skill Drain]]" is active, its effect activates in the Graveyard so you can [[Special Summon]] "[[Mirage Knight]]" (but "[[Mirage Knight]]"'s effects will be negated once it is in play).
  
*<!-- Sergeant Electro -->'''[[:Card Rulings:{{GetEngName|エレクトロ軍曹}}|{{GetEngName|エレクトロ軍曹}}]]''': If the effect of "[[:{{GetEngName|エレクトロ軍曹}}]]" is negated by an effect like "[[Skill Drain]]", then the selected Spell or Trap Card can now be [[activate]]d.  Also, if the effect of "[[Skill Drain]]" is no longer applied, then the card selected by "[[:{{GetEngName|エレクトロ軍曹}}]]" can no longer be [[activate]]d.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=55662&event=FE0006 Konami FAQ]: If the effect of "{{GetEngName|エレクトロ軍曹}}" is negated, then can the selected Spell or Trap Card be activated?</ref>
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* If your "[[Neko Mane King]]" is sent to the [[Graveyard]] by your opponent's card effect while "[[Skill Drain]]" is active, its effect is activated.
  
*'''[[Card Rulings:Mist Valley Falcon|Mist Valley Falcon]]''': ''See above; listed under "[[Dark Elf]]".''
+
* If your "[[Twin-Headed Behemoth]]" is destroyed and sent to the [[Graveyard]] while "[[Skill Drain]]" is active, its effect activates and it is Special Summoned.
  
*'''[[Card Rulings:Guardian of Order|Guardian of Order]]''': Even if "[[Skill Drain]]" is negating the effect "''There can only be 1 of this card face-up on the field.''" of a monster like "[[Rai-Jin]]" or "[[Guardian of Order]]", the effect of copies of "[[Rai-Jin]]" or "[[Guardian of Order]]" in your hand will still be active, so you still cannot Normal Summon a second copy of "[[Rai-Jin]]" or "[[Guardian of Order]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51816&event=FE0006 Konami FAQ]: If "Skill Drain" has been activated, then can you Normal Summon a second "Guardian of Order" or "Rai-Jin"?</ref>
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* '''[[Card Rulings:Atomic Firefly|Atomic Firefly]]:''' "[[Atomic Firefly]]"'s effect activates in the [[Graveyard]] when "[[Atomic Firefly]]" is sent to the [[Graveyard]] at the end of the attack, so "[[Skill Drain]]" will not negate its effect.
  
*'''[[Card Rulings:Malefic|Malefic]]''': If the effect of a monster like "[[:{{GetEngName|Sin 青眼の白龍}}]]" or "[[:{{GetEngName|Sin 真紅眼の黒竜}}]]" or "[[:{{GetEngName|Sin スターダスト・ドラゴン}}]]" is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then its effect which prevents your other monsters from attacking is also negated, so you can attack with a monster other than "[[:{{GetEngName|Sin 青眼の白龍}}]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54212&event=FE0006 Konami FAQ]: If the effect of "{{GetEngName|Sin 青眼の白龍}}" is negated, then can other monsters attack?</ref>
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* '''[[Card Rulings:Burning Algae|Burning Algae]]:''' "[[Burning Algae]]"'s effect cannot be negated by "[[Skill Drain]]".
  
*'''[[Card Rulings:Malefic|Malefic]]''': If the effect of a monster like "[[:{{GetEngName|Sin 青眼の白龍}}]]" or "[[:{{GetEngName|Sin 真紅眼の黒竜}}]]" or "[[:{{GetEngName|Sin スターダスト・ドラゴン}}]]" is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then its effect "''If there is no face-up Field Spell Card on the field, destroy this card.''" is also negated.  Thus, "[[:{{GetEngName|Sin 青眼の白龍}}]]" won't be destroyed if the [[Field Spell Card]] is removed from being face-up on the field.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54206&event=FE0006 Konami FAQ]: If the effect of "{{GetEngName|Sin 青眼の白龍}}" is negated, then is it destroyed by its own effect if there is no longer a Field Card?</ref>
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* '''[[Card Rulings:Chainsaw Insect|Chainsaw Insect]]:''' If "[[Skill Drain]]" is active, your opponent will not get to draw, unless "[[Chainsaw Insect]]" is destroyed in the battle, then its effect will activate in the [[Graveyard]] and your opponent will draw 1 card.
  
*'''[[Card Rulings:Road Synchron|Road Synchron]]''': If "[[Road Synchron]]" has its Level increased by 1 by its effect and later "[[Skill Drain]]" is activated, then the Level of "[[Road Synchron]]" returns to 4.<ref name="RoaSyn-SkiDra"/>
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* '''[[Card Rulings:D.D. Survivor|D.D. Survivor]]:''' If "[[Skill Drain]]" is active when "[[D.D. Survivor]]" is removed from play, it is still [[Special Summon]]ed because its effect activates during the [[End Phase]] while it is removed from play.
  
* '''[[Card Rulings:Naturia Spiderfang|Naturia Spiderfang]]''': "[[Naturia Spiderfang]]" can attack if its effect is being negated by "[[Skill Drain]]", regardless of whether or not the opponent activated the effect of a Spell/Trap/Effect Monster Card during this turn.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=47541&event=FE0006 Konami FAQ]: When "Skill Drain" has been activated, can "Naturia Spiderfang" attack even when the opponent has not activated a card?</ref>
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* '''[[Card Rulings:Dark World|Dark World]]''': The effects of these cards [[activate]] in the [[Graveyard]], so "[[Skill Drain]]" will not [[negate]] their effects.
  
*'''[[Card Rulings:Panther Warrior|Panther Warrior]]''': ''See above; listed under "[[Dark Elf]]".''
+
* '''[[Card Rulings:Giant Kozaky|Giant Kozaky]]:''' The effect of "[[Giant Kozaky]]" that inflicts damage to the [[controller]] activates in the [[Graveyard]] or the "removed zone", wherever "[[Giant Kozaky]]" goes to after being [[destroy]]ed. "[[The End of Anubis]]" will negate the effect of "[[Giant Kozaky]]" if it was [[destroy]]ed and sent to the Graveyard, but "[[Banisher of the Light]]" will not (because "[[Giant Kozaky]]" does not have to be "[[destroy]]ed and sent to the [[Graveyard]]"). Nor will "[[Skill Drain]]" negate the damage if "[[Giant Kozaky]]" is [[destroy]]ed.
  
*'''[[Card Rulings:Rai-Jin|Rai-Jin]]''': ''See above; listed under "[[Guardian of Order]]".''
+
* '''[[Card Rulings:Mirage Knight|Mirage Knight]]:''' "[[Mirage Knight]]" can be [[Special Summon]]ed by "[[Dark Flare Knight]]"'s effect even if "[[Skill Drain]]" is active, because "[[Dark Flare Knight]]"'s effect activates in the [[Graveyard]]. However, "[[Mirage Knight]]"'s effects are negated by "[[Skill Drain]]".
  
*'''[[Card Rulings:Road Synchron|Road Synchron]]''': If "[[Skill Drain]]" is active, then the effect "''If this card is used for the [[Synchro Summon]] of a monster other than "[[Road Warrior]]", its Level is decreased by 2.''" of "[[Road Synchron]]" will be negated, and it will be used as a Level 4 monster.<ref name="RoaSyn-SkiDra">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50296&event=FE0006 Konami FAQ]: While "Skill Drain" is active, if "Road Synchron" is used as a Synchro Material, does it return to its original Level?</ref>
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* '''[[Card Rulings:Sacred Phoenix of Nephthys|Sacred Phoenix of Nephthys]]:''' If "[[Skill Drain]]" is active on the field, the effect of "[[Sacred Phoenix of Nephthys]]" that [[Special Summon]]s it from the [[Graveyard]] is still activated, because it is activated in the [[Graveyard]]. However, the effect that destroys [[Spell Card|Spell]] and [[ Trap Card]]s on the field is negated because it activates on the field (so "[[Skill Drain]]" and other [[Spell Card|Spell]] and [[ Trap Card]]s on the field are not [[destroy]]ed in this case).
  
*'''[[:Card Rulings:Malefic|Malefic]]''': If "[[Skill Drain]]" is negating the effect "''There can only be 1 face-up "[[Malefic]]" monster on the field.''" of a monster like "[[:{{GetEngName|Sin 青眼の白龍}}]]" or "[[:{{GetEngName|Sin 真紅眼の黒竜}}]]" or "[[:{{GetEngName|Sin スターダスト・ドラゴン}}]]", then you still cannot Special Summon a second "[[:{{GetEngName|Sin 青眼の白龍}}]]", since its effect is still active while it is in the hand.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53774&event=FE0006 Konami FAQ]: Can you Special Summon a second "{{GetEngName|Sin 青眼の白龍}}" while the effect of "Skill Drain" is active?</ref>
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* '''[[Card Rulings:Sand Moth|Sand Moth]]:''' Even if "Skill Drain" is active when "[[Sand Moth]]" is [[Special Summon]]ed by its own effect, its [[ATK]] and [[DEF]] will remained switched. (2000 [[ATK]] / 1000 [[DEF]]).
  
*'''[[:Card Rulings:Malefic|Malefic]]''': Suppose you remove from play "[[:{{GetEngName|Sin 青眼の白龍}}]]" with a card like "[[Interdimensional Matter Transporter]]", and then Summon another "[[:{{GetEngName|Sin 青眼の白龍}}]]", all while "[[Skill Drain]]" is active.  During the [[End Phase]], even though the effect "''There can only be 1 face-up "[[Malefic]]" monster on the field.''" of the "[[:{{GetEngName|Sin 青眼の白龍}}]]" on the field is negated, that effect of the removed-from-play "[[:{{GetEngName|Sin 青眼の白龍}}]]" is still active, so the removed-from-play "[[:{{GetEngName|Sin 青眼の白龍}}]]" cannot return to the field.  Thus, the removed-from-play "[[:{{GetEngName|Sin 青眼の白龍}}]]" is sent to the Graveyard.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53759&event=FE0006 Konami FAQ]: Can a second "{{GetEngName|Sin 青眼の白龍}}" return to the field by the effect of "Interdimensional Matter Transporter"?</ref>
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* '''[[Card Rulings:Winged Kuriboh|Winged Kuriboh]]:''' Because the effect of "[[Winged Kuriboh]]" activates in the Graveyard, it will not be negated by "[[Skill Drain]]"...
  
*'''[[Card Rulings:Spell Counters|Spell Counters]]''':If an effect like "[[Skill Drain]]" negates the effect of a card like "[[Breaker the Magical Warrior]]" or "[[Royal Magical Library]]", then all Spell Counters are removed from the monster.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54681&event=FE0006 Konami FAQ]: What happens if you negate the effect of a card that has Spell Counters on it?</ref>
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===In Other Rulings===
 +
* '''[[Card Rulings:Amplifier|Amplifier]]''': You cannot activate a card that would cause an infinite loop because its effect cannot [[resolve]] completely. ... Example #2: you [[control]] "[[Jinzo]]" [[equip]]ped with "[[Amplifier]]" and "[[Skill Drain]]". Your opponent cannot activate "[[Royal Decree]]".
  
* '''[[Card Rulings:Tuningware|Tuningware]]''': If "[[Skill Drain]]" is active, you cannot use the effect of "[[Tuningware]]" to treat it as a Level 2 monster for a Synchro Summon.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=45989&event=FE0006 Konami FAQ]: If the effect of "Skill Drain" is applied, can you use "Tuningware" as a Level 2 monster for a Synchro Summon?</ref>
+
* '''[[Card Rulings:Cloudian - Ghost Fog|Cloudian - Ghost Fog]]:''' If "[[Skill Drain]]" is activated while a monster has Fog Counter(s), the Fog Counter(s) remain on the monster.
  
*'''[[Card Rulings:Ultimate Obedient Fiend|Ultimate Obedient Fiend]]''': The effect "''This card can only attack if this card is the only card on your side of the field and if you also have no cards in your hand.''" of "[[Ultimate Obedient Fiend]]" will be negated by "[[Skill Drain]]", so that "[[Ultimate Obedient Fiend]]" can attack while you have one or more cards in your hand.<ref name="SkiDra-Attacking"/>
+
* '''[[Card Rulings:Power Bond|Power Bond]]:''' If you Fusion Summon "[[UFOroid Fighter]]" with 3000 [[ATK]], and then later in the turn "[[Skill Drain]]" is activated, reducing its [[ATK]] to 0, you will still take 3000 points of damage during the [[End Phase]]. If you send "[[UFOroid Fighter]]" to the [[Graveyard]] so that its effect resets and its original [[ATK]] becomes zero, you still take damage equal to its original [[ATK]] at the time it was Special Summoned by "[[Power Bond]]".
  
===Miscellaneous===
+
* '''[[Card Rulings:Power Capsule|Power Capsule]]:''' You can activate and resolve "[[Power Capsule]]" even if "Skill Drain" is on the field.
*'''[[Card Rulings:Djinns of Rituals|Djinns of Rituals]]''': The effect of "[[Djinn Releaser of Rituals]]" which prevents your opponent from Special Summoning and the effect of "[[Djinn Presider of Rituals]]" which lets you draw when an opponent's monster is destroyed are not treated as effects of the [[Ritual Monster]] which was [[Ritual Summon]]ed.  Thus, if the effect of the [[Ritual Monster]] is negated by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then the effect of "[[Djinn Releaser of Rituals]]" which prevents your opponent from Special Summoning is still applied.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=51166&event=FE0006 Konami FAQ]: Will "Skill Drain" negate the effect of "[[Djinn Releaser of Rituals]]" which is applied to a Ritual Monster?</ref>
 
  
*'''[[Card Rulings:Obelisk the Tormentor|Obelisk the Tormentor]]''': If "[[Obelisk the Tormentor]]" is Special Summoned and "[[Skill Drain]]" is activated during the same turn, then its effect will be negated and "[[Obelisk the Tormentor]]" will not be sent to the Graveyard during the End Phase. However, if "[[Skill Drain]]" is later destroyed, then "[[Obelisk the Tormentor]]" will be sent to the Graveyard during the End Phase.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=47772&event=FE0006 Konami FAQ]: Is "Obelisk the Tormentor" sent to the Graveyard during a turn in which it is Special Summoned and "Skill Drain" is activated?</ref>
+
* '''[[Card Rulings:Spell Counter|Spell Counter]]:''' When "[[Skill Drain]]" is active, and you or your opponent activates a [[Spell Card]], do not place [[Spell Counter]]s on this monster. Any Spell Counters that are on this monster are removed when "[[Skill Drain]]" is activated.
  
*'''[[Card Rulings:Supervise|Supervise]]''': If "[[Skill Drain]]" is negating the effect of a [[Gemini Monster]] which has not been [[Normal Summon]]ed a second time, then the [[Gemini Monster]] may be equipped with "[[Supervise]]". The [[Gemini Monster]] will be treated as if it was [[Normal Summon]]ed a second time, but the effect will be negated by "[[Skill Drain]]". If "[[Skill Drain]]" is removed from the field, then you can apply the effect of the [[Gemini Monster]].<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=50446&event=FE0006 Konami FAQ]: Can "Supervise" be equipped to a Gemini Monster which is not being treated as a Normal Monster because of "Skill Drain"?</ref>
+
* '''[[Card Rulings:Super Double Summon|Super Double Summon]]''': You can activate "[[Super Double Summon]]" and select a [[Gemini Monster]] that is having its effect [[negate]]d by "[[Skill Drain]]". The [[Gemini Monster]] will be treated as having been [[Normal Summon]]ed while face-up on the field, but the effects it gains will be [[negate]]d by "[[Skill Drain]]". If "[[Skill Drain]]" is [[negate]]d or removed from the field later in the turn, the selected [[Gemini Monster]]'s effects will be active and can be used.
  
*'''[[Card Rulings:Trap Eater|Trap Eater]]''': If a card like "[[Vanity's Fiend]]" or "[[Fossil Dyna Pachycephalo]]" has its effect negated by "[[Skill Drain]]", then you still can send "[[Skill Drain]]" to the Graveyard to Special Summon "[[Trap Eater]]".<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46582&event=FE0006 Konami FAQ]: Can "Trap Eater" be Special Summoned by sending "Skill Drain" to the Graveyard while "Vanity's Fiend" is on the field?</ref>
+
* '''[[Card Rulings:The Agent of Wisdom - Mercury|The Agent of Wisdom - Mercury]]:''' When the effect of "[[The Agent of Wisdom - Mercury]]" is negated by "[[Skill Drain]]", and you have no [[hand]] at the end of your opponent's End Phase, and you destroy "[[Skill Drain]]" before your [[Standby Phase]] (such as with "[[Mystical Space Typhoon]]" during your [[Draw Phase]]), you CAN draw because "[[Skill Drain]]" was destroyed. This is because the "when you have no cards in your hand during your opponent's [[End Phase]]" is a condition, not an effect, so it is not negated by "[[Skill Drain]]". As long as you can make it so that "[[Skill Drain]]" is not negating "[[The Agent of Wisdom - Mercury]]"'s card-drawing effect by the time the [[Standby Phase]] begins, you can draw.
  
===In Other Rulings===
+
* '''[[Card Rulings:Zoma the Spirit|Zoma the Spirit]]:''' "[[Zoma the Spirit]]'s" effect cannot be negated by "[[Skill Drain]]".
*'''[[:Card Rulings:Inverse Universe|Inverse Universe]]''': When "[[Inverse Universe]]" resolves, its effect replaces the monster's ATK and DEF values.<ref name="InvUni-ChangingATKDEF">[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=53117&event=FE0006 Konami FAQ]: How is the ATK of "Breaker the Magical Warrior" replaced by "{{GetEngName|反転世界}}"?</ref>
+
}}
**Example: There is one Spell Counter on "[[Breaker the Magical Warrior]]" (1900 ATK / 1000 DEF).  After "[[Inverse Universe]]" resolves, "[[Breaker the Magical Warrior]]" will have 1000 ATK / 1900 DEF.  Afterwards, the ATK of "[[Breaker the Magical Warrior]]" will remain at 1000 ATK / 1900 DEF, even if Spell Counters are removed from or added to "[[Breaker the Magical Warrior]]".  If "[[Skill Drain]]" is later activated, then "[[Breaker the Magical Warrior]]" will still remain at 1000 ATK / 1900 DEF.<ref name="InvUni-ChangingATKDEF"/>
 
  
 
==References==
 
==References==
 
<references />
 
<references />

Latest revision as of 13:28, 25 July 2017

TCG Rulings

On Negating Continuous/Non-Chainable Effects

On Removing Lingering Effects which Modify ATK/DEF

On Not Removing Previously-Resolved/Lingering Effects

Versus Costs/Conditions

  • Torapart: If "Skill Drain" is active while you use "Torapart" to Synchro Summon a monster, "Torapart" is now no longer on the field, so the effect of "Torapart" will be applied. So the opponent cannot activate Trap Cards when that Synchro Monster attacks. This is because the restriction on activating Trap Cards is an effect of "Torapart," not an effect of the Synchro Monster. ...

In Other Rulings

OCG Rulings

  • If "Skill Drain" is active, then you also negate the effects of Flip Effect Monsters which were flipped to being face-up on the field. Also, if a face-down Flip Effect Monster is attacked and flipped by battle, then even if it is destroyed by battle, then it is still face-up on the field when its Flip Effect activates after Damage Calculation, so the effect will be negated by "Skill Drain".[1]

On Activating Effects

  • The effect of "Skill Drain" negates the effects of Effect Monsters; it does NOT prevent Effect Monsters from activating their effects. Thus, "Skill Drain" will not prevent you from activating the effects of "Exiled Force" or "Rescue Cat".[3]

On the Monster Leaving the Field

  • The effect of "Skill Drain" negates the effects of Effect Monsters that are face-up on the field. Thus, it cannot negate the effect of a monster if the monster is in the Graveyard when the monster's activated effect is resolving. "Exiled Force" and "Rescue Cat" Tributes itself or sends itself to the Graveyard as activation costs for their effects, so the monsters are in the Graveyard when their effects resolve. Thus, "Skill Drain" cannot negate their effects, so you will destroy the monster or Special Summon the Beast-Type monsters from your Deck.[3]

On Removing Lingering Effects which Modify ATK/DEF

  • Worm Zero: When the effect of "Skill Drain" becomes active, the ATK of "Worm Zero" becomes 0, and will remain 0 even if the effect of "Skill Drain" disappears. Also, while "Skill Drain" is active, the "2 or more:", etc, effects are negated. Once the effect of "Skill Drain" is no longer applied, the "2 or more:", etc, effects are re-applied.[20]

On Not Removing Lingering Effects

Versus Conditions/Costs

Versus Continuous Effects/Non-Chainable Effects

  • Blizzard Princess: If "Skill Drain" is active when you Normal Summon "Blizzard Princess", then the effect "your opponent cannot activate Spell or Trap Cards" is negated, so your opponent may activate Spell or Trap Cards. Also, your opponent may still activate Spell or Trap Cards even if, afterwards, the effect of "Skill Drain" is no longer applied.[43]

Miscellaneous

In Other Rulings

Previously Official Rulings

On Negating Activated Effects

  • If a face-down "Kisetai" [sic] is attacked while "Skill Drain" is active, the effect of "Kisetai" [sic] is negated, damage calculation is performed, and "Kisetai" [sic] will not equip itself to the attacking monster. But if "Kisetai" [sic] is already an Equip Spell Card, and "Skill Drain" is activated, "Kisetai" [sic] is unaffected because it is no longer an Effect Monster.
  • A Union Monster that attached itself to another monster before "Skill Drain" became active is unaffected by "Skill Drain". If "Skill Drain" is active, you can activate a Union Monster's effect to attach it to another monster, but nothing happens and it remains a monster.

On Negating Continuous/Non-Chainable Effects

  • Restrictions are also lifted, so you can attack with "Ultimate Obedient Fiend" even if you have other cards on your side of the field.
  • "Jinzo" cannot negate Trap Cards while "Skill Drain" is already active, because "Skill Drain" is negating "Jinzo"'s effect. But if "Jinzo" is already on the field, you cannot activate "Skill Drain" because "Jinzo"'s effect prevents you from doing so.
  • Alien Hypno: If you take control of your opponent's monster with "Alien Hypno" and "Skill Drain" is activated, control of the selected monster is returned to the opponent. If "Skill Drain" is later negated or removed from the field, the selected monster is returned to your control.
  • Dark Hunter: While "Skill Drain" is active, all of "Dark Hunter's" effects are negated because the primary effect, "This card's effect changes depending on the number of DARK monsters in your Graveyard", is negated.
  • Gladiator Beast Darius: While "Skill Drain" is active, if "Gladiator Beast Darius" is removed from the field, the Special Summoned "Gladiator Beast" monster will remain on the field. If the Special Summoned "Gladiator Beast" monster attacks or is attacked, and it is returned to the Deck to activate its effect, the effect will not be negated because "Gladiator Beast Darius'" effects are being negated by "Skill Drain".

If the Monster is Not Face-Up

On Removing Lingering Effects which Modify ATK/DEF

  • When a monster's ATK or DEF are changed by its own effect, like "Slate Warrior" or "Berserk Dragon", and "Skill Drain" is activated, that monster's effect is negated and the ATK/DEF are returned to normal. Even if "Skill Drain" is then destroyed, the old adjustment to ATK/DEF does not come back. Any bonuses or penalties are lost when "Skill Drain" effect is applied, and you have to start over from the beginning.
  • Fusilier Dragon, the Dual-Mode Beast: If you Summoned this card without Tribute, and then "Skill Drain" is later activated, the ATK and DEF are no longer halved. If "Skill Drain" is later destroyed, the ATK and DEF still remain 2800/2000. You can Normal Summon Fusilier Dragon without Tributing monsters while Skill Drain is face-up on the field as it only targets Effect Monsters on the field. Skill Drain will then negate Fusilier Dragon's ATK and DEF reducing effect, increasing it to 2800/2000.

Judge List Rulings

On Not Removing Previously-Resolved/Lingering Effects

  • If "Hino-Kagu-Tsuchi"'s effect is activated, and then "Skill Drain" is activated later, "Hino-Kagu-Tsuchi"'s effect is not negated and the opponent must discard his/her hand during their next Draw Phase. But if "Skill Drain" is active at the time "Hino-Kagu-Tsuchi"'s effect activates, then the effect is negated.

Versus Costs/Conditions

  • Chiron the Mage: The restriction that you can only activate this effect once per turn is a condition, not an effect. So if "Skill Drain" is on the field, you can pay the cost once per turn (for no effect), but not pay the cost continuously in the same turn.
  • The Creator: If you activate the effect of "The Creator", and it does not resolve because the opponent chains "Skill Drain", or removes the targeted monster from the Graveyard with "Disappear", you've still used the effect. So you cannot activate its effect again that turn (even if you destroy "Skill Drain").

Versus Effects which Activate Off the Field

In Other Rulings


References

  1. Konami FAQ: Can the effect of "Skill Drain" negate Flip Effects?
  2. Konami FAQ: While "Skill Drain" is active, can you negate the effects of monsters like "Sangan" which activate in the Graveyard?
  3. a b Konami FAQ: While "Skill Drain" is active, can an opponent's monster be destroyed by the effect of "Exiled Force"?
  4. Konami FAQ: Will the effect of "Battle Fader" end the Battle Phase if "Skill Drain" is active?
  5. Konami FAQ: When "White Night Dragon" sends an equipped "Snatch Steal" to the Graveyard to activate its effect which changes the attack target, is the effect applied?
  6. Konami OCG FAQ: Does "Skill Drain" negate the Standby Phase effect of "Number 30: Acid Golem of Destruction"?
  7. Konami FAQ: Is the effect of "Stardust Dragon" negated by "Skill Drain"?
  8. Konami FAQ: If the effect of "Skill Drain" is applied while the Level of "Gash the Dust Lord" is altered, then what does its Level become?
  9. Konami FAQ: If "Skill Drain" is activated after the ATK of "Beast King Barbaros" is halved by the effect of "Blackwing - Gale the Whirlwind", then what does its ATK become?
  10. Konami FAQ: What happens to the ATK of "Cyber Eltanin" when it is flipped face-down or when its effect is negated?
  11. Konami FAQ: What is the ATK of "Elemental HERO Neos Knight" while "Skill Drain" is active?
  12. Konami FAQ: When the effect of "Emissary from Pandemonium" is negated by the effect of "Skill Drain", what do its Level, ATK, and DEF become?
  13. Konami FAQ: When "Emissary from Pandemonium" with its ATK halved is affected by "Shrink" or "Megamorph", how does its ATK change?
  14. Konami FAQ: When the effect of a monster like "Fortune Lady Earth" is negated by an effect like "Skill Drain", does its altered Level return to the original value?
  15. Konami FAQ: After "Majestic Star Dragon" increases its ATK by an effect which is treated as its own, if "Skill Drain" is activated, then does it return to the original amount?
  16. Konami FAQ: When "Montage Dragon" is flipped face down or has its effect negated, what does his ATK become?
  17. Konami FAQ: When the effect of "Vice Dragon" is negated with "Skill Drain", what does its ATK/DEF become?
  18. Konami FAQ: Does the ATK and DEF of "The Tyrant Neptune" become 0 if it is negated by "Skill Drain"?
  19. a b Konami FAQ: Does "Skill Drain" negate the name and the effects gained by "The Tyrant Neptune"?
  20. Konami FAQ: When the effects of "Worm Zero" are negated by "Skill Drain", are its ATK and its obtained effects no longer applied?
  21. Konami FAQ: If "Skill Drain" is activated after an ATK is halved by the effect of "Armored Bee", then what does the value become?
  22. Konami FAQ: Do the Wedge Counters generated by "Blackwing Armor Master" disappear when the effect of "Skill Drain" is applied?
  23. Konami OCG FAQ: If "Skill Drain" is activated after "Crimson Blader" activates, then do you stop applying the effect?
  24. Konami FAQ: If the effect of "Cyber Dragon Zwei" is negated by "Skill Drain", then what does its name become?
  25. Konami FAQ: If "Skill Drain" is active, can a Token Special Summoned by "Darklord Asmodeus" be destroyed by battle or by card effects?
  26. Konami FAQ: If the effect of "Skill Drain" is applied, then does the monster equipped by the effect of "Dragunity Primus Pilus" remain equipped?
  27. Konami FAQ: Is the new card name of "Genex Recycled" negated by the effect of "Skill Drain"?
  28. Konami FAQ: Can "Skill Drain" negate the effect of "Level Warrior" which changes its Level?
  29. Konami OCG FAQ: If you activate "Skill Drain" and Special Summon "Mist Valley Thunderbird" by its effect, then can it attack?
  30. Konami OCG FAQ: If "Number 11: Big Eye" is removed from the field after applying its effect, then what happens to the monster of which you gained control?
  31. Konami OCG FAQ: The ATK increase from the effect of "Number 20: Gig-Anto Brilli-Ant" lasts for how long?
  32. Konami FAQ: If "Skill Drain" has been activated, then is "The Fabled Ganashia" removed from play if it would be removed from the field after it was Special Summoned by its effect?
  33. Konami FAQ: If the effect of "Trident Dragion" which allows it to attack multiple times has already resolved, then can "Skill Drain" negate it?
  34. Konami FAQ: Can you Synchro Summon if "Backup Warrior" was Special Summoned while "Skill Drain" was active?
  35. Konami FAQ: While "Skill Drain" is active, can you use "Blackwing - Breeze the Zephyr" as a Synchro Material for a non-"Blackwing" monster?
  36. Konami FAQ: While the effect of "Skill Drain" is being applied, can you use "Debris Dragon" as Synchro Material Monster for a non-Dragon-Type monster?
  37. Konami FAQ: While "Skill Drain" is active, can the Synchro Materials for a Synchro Summon be "Fishborg Blaster" and non-WATER monsters?
  38. Konami FAQ: Can the effect of "Skill Drain" negate the Maintenance Cost of "Koa'ki Meiru Valafar" etc?
  39. Konami FAQ: Is any of the text of "Quickdraw Synchron" treated as the effect of an Effect Monster?
  40. Konami FAQ: If the effect of "Skill Drain" is applied after resolving the effect of "Rapid Warrior", then can the other monsters attack?
  41. Konami FAQ: When "Torapart" is used as a Synchro Material Monster while its effect is negated, do you apply the effect which prevents Trap Cards from being activated?
  42. Konami FAQ: Is "Archlord Kristya" returned to the top of the Deck when sent to the Graveyard while the effect of "Skill Drain" is being applied?
  43. Konami FAQ: If "Blizzard Princess" is Normal Summoned while "Skill Drain" is applied, then is the effect negated?
  44. a b Konami FAQ: While "Skill Drain" is active, can "Dark Elf" attack without paying Life Points, and so on?
  45. Konami FAQ: If the effect of a card like "Dragunity Dux" is negated, then is the equipped Dragon-Type monster destroyed?
  46. Konami FAQ: Can a second "Earthbound Immortal Chacu Challhua" be Normal Summoned after "Skill Drain" was activated?
  47. Konami FAQ: If "Skill Drain" has been activated, then can you Normal Summon a second "Guardian of Order" or "Rai-Jin"?
  48. Konami OCG FAQ: If you activate "Skill Drain" after attacking directly with "Infernity Archer", then does a Replay occur?
  49. Konami FAQ: Can you Special Summon a second "Malefic Blue-Eyes White Dragon" while the effect of "Skill Drain" is active?
  50. Konami FAQ: Can a second "Malefic Blue-Eyes White Dragon" return to the field by the effect of "Interdimensional Matter Transporter"?
  51. Konami FAQ: If the effect of "Malefic Blue-Eyes White Dragon" is negated, then can other monsters attack?
  52. Konami FAQ: If the effect of "Malefic Blue-Eyes White Dragon" is negated, then is it destroyed by its own effect if there is no longer a Field Card?
  53. Konami OCG FAQ: If "Skill Drain" stops being applied, then do you apply the effect of "Naturia Bamboo Shoot" a second time?
  54. Konami FAQ: When "Skill Drain" has been activated, can "Naturia Spiderfang" attack even when the opponent has not activated a card?
  55. a b Konami FAQ: While "Skill Drain" is active, if "Road Synchron" is used as a Synchro Material, does it return to its original Level?
  56. Konami FAQ: If the effect of "Sergeant Electro" is negated, then can the selected Spell or Trap Card be activated?
  57. Konami FAQ: What happens if you negate the effect of a card that has Spell Counters on it?
  58. Konami FAQ: If the effect of "Skill Drain" is applied, can you use "Tuningware" as a Level 2 monster for a Synchro Summon?
  59. Konami FAQ: Will "Skill Drain" negate the effect of "Djinn Releaser of Rituals" which is applied to a Ritual Monster?
  60. Konami FAQ: Is "Obelisk the Tormentor" sent to the Graveyard during a turn in which it is Special Summoned and "Skill Drain" is activated?
  61. Konami FAQ: Can "Supervise" be equipped to a Gemini Monster which is not being treated as a Normal Monster because of "Skill Drain"?
  62. Konami FAQ: Can "Trap Eater" be Special Summoned by sending "Skill Drain" to the Graveyard while "Vanity's Fiend" is on the field?
  63. Konami OCG FAQ: If you use "Triple Star Trion" as a Tribute for a Tribute Summon or Set while "Skill Drain" is active, then can you activate its effect?
  64. a b Konami FAQ: How is the ATK of "Breaker the Magical Warrior" replaced by "Inverse Universe"?
  65. UDE Judge List: Skill Drain's impact on monsters with variable ATK and/or DEF
  66. Konami Judge Program Forum: Individual Email Rulings VS Individual Card Rulings
  67. UDE FAQ: Individual Card Rulings [A-C]
  68. UDE FAQ: Individual Card Rulings [D-E]
  69. UDE FAQ: Individual Card Rulings [F-H]
  70. UDE FAQ: Individual Card Rulings [I-K]
  71. UDE FAQ: Individual Card Rulings [L-O]
  72. UDE FAQ: Individual Card Rulings [P-R]
  73. UDE FAQ: Individual Card Rulings [S-T]
  74. UDE FAQ: Individual Card Rulings [U-Z]
  75. UDE FAQ: SPECIFIC CARDS RULINGS