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==Mentions in Other Rulings==* '''The effects of "[[Card Rulings:Amplifier|AmplifierZombyra the Dark]]:''' You cannot activate a card that would cause an infinite loop because its effect cannot resolve completely...Example #2: you control "Jinzoare negated while "[[Skill Drain]]" equipped with is active, so "Amplifier[[Zombyra the Dark]]" can attack your opponent directly, and its [[ATK]] is not decreased because of its effect. If "[[Skill Drain]]". Your opponent cannot activate is destroyed, "Royal Decree[[Zombyra the Dark]]"'s [[ATK]] is not changed.
* '''[[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.==References==<references />
→Previously Official Rulings: Verbatim
{{Navigation}} ==TCG Rulings=====On Negating Continuous/Non-Chainable Effects===* '''[[Card Rulings:Archlord Kristya|Archlord Kristya]]''': If "[[Skill Drain]]" is active, the effect to return "[[Archlord Kristya]]" to the [[Deck]] will not apply. * '''[[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. * '''[[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]]. * '''[[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. * '''[[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. * '''[[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. * '''[[Card Rulings:Morphtronic Vacuumen|Morphtronic Vacuumen]]''': If '''[[Skill Drain]]''' is activated while a monster is equipped to '''[[Morphtronic Vacuumen]]''', the equipped monster is destroyed. * '''[[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]]. * '''[[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]]." * '''[[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: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. ===On Removing Lingering Effects which Modify ATK/DEF===* '''[[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. * '''[[Card Rulings:Crusader of Endymion|Crusader of Endymion]]''': If "[[Skill Drain]]" is activated, this card loses any [[ATK]] gained from its own effect. * '''[[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: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: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: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. * '''[[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. * '''[[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. * '''[[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.* '''[[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. * '''[[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. * '''[[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]]." ===On Not Removing Previously-Resolved/Lingering Effects===* '''[[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. * '''[[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 nameis still treated as "[[Cyber Dragon]]. * '''[[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. * '''[[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. * '''[[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: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. ===Versus Costs/Conditions===* '''[[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: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: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: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: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:Majestic Dragon|Majestic Dragon]]''': The text of this card is not an effect. It cannot be negated by "[[Skill Drain]]". * '''[[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: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: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: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: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. ... ===In Other Rulings===* '''[[Card Rulings:Supervise|Supervise]]''': You can equip "[[Supervise]]" to a Gemini monster while "[[Skill Drain]]" is face-up on the field. * '''[[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: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. ==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]]".<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> ===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]]".<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> *'''[[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> ===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.<ref name="SkiDra-XFor-ResCat"/> *'''[[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: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> ===On Removing Lingering Effects which Modify ATK/DEF===*'''[[: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: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: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> *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: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: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: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: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: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: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: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: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> ===On Not Removing Lingering Effects===*'''[[: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: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: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: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: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: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: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: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: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> *'''[[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> *'''[[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> *'''[[Card Rulings:Plaguespreader Zombie|Plaguespreader Zombie]]''': ''See above; listed under "[[The Fabled Ganashia]]".'' *'''[[: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: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> *'''[[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> ===Versus Conditions/Costs===*'''[[: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> *'''[[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: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: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: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: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: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> ===Versus Continuous Effects/Non-Chainable Effects===*'''[[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: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: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: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: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:Mist Valley Falcon|Mist Valley Falcon]]''': ''See above; listed under "[[Dark Elf]]".'' *'''[[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: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: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: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: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: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: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: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:Panther Warrior|Panther Warrior]]''': ''See above; listed under "[[Dark Elf]]".'' *'''[[Card Rulings:Rai-Jin|Rai-Jin]]''': ''See above; listed under "[[Guardian of Order]]".'' *'''[[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: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: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: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: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: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"/> ===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: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: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: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>
* "Skill Drain" can be '''[[destroyedCard Rulings:Triple Star Trion|Triple Star Trion]] by cards such as ''': If "[[Mystical Space TyphoonSkill Drain]]" is active and you send "[[Heavy StormTriple 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>
===In Other Rulings===* Paying '''[[: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 Life Points 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 a costlater activated, then "[[Breaker the Magical Warrior]]" will still remain at 1000 ATK / 1900 DEF.<ref name="InvUni-ChangingATKDEF"/>
==Previously Official Rulings=={{Previously Official Rulings |UDE's Rulings =* "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 "Paying 1000 [[Witch of the Black ForestLife Points]]", "Sangan", "is a [[Mystic Tomatocost]]", "[[Giant Rat]]", "[[Sinister Serpent]]", and "[[Vampire Lord]]".
===On Negating Activated Effects===* If your "[[Dark Flare KnightSkill Drain]]" will negate Flip Effects, and you can chain the activation of "[[Skill Drain]]" is sent to the Graveyard while activation of a Flip Effect, but you cannot activate "[[Skill Drain]]" is active, its effect activates in the Graveyard [[Damage Step]] because it does not specifically modify [[ATK]] or [[DEF]], so you can Special Summon cannot chain "[[Mirage KnightSkill Drain]]" (but "Mirage Knight"'s effects will be negated once it to a [[Flip Effect]] that is in play)activated because a monster was attacked while [[face-down]].
* If your you Flip Summon "[[Neko Mane KingSpear Cretin]]" is sent to the Graveyard by your opponent's card effect while "[[Skill Drain]]" is active, its "[[Spear Cretin]]"'s effect is activatednegated when it is sent to the [[Graveyard]] because it is a [[Flip Effect]] and "[[Skill Drain]]" negates [[Flip Effect]]s.
* If your "[[Twin-Headed BehemothSkill Drain]]" negates [[Quick Effect]]s such as "[[Dark Paladin]]" is destroyed and sent to the Graveyard while "Skill Drain[[Ryu Senshi]]" is active, its effect activates and it is Special Summoned.
* [[Spirit monster]]s are not returned to the owner's hand while "[[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 resolvesactive.
* If a face-down "{{sic|[[Kiseitai|Kisetai]]|"}} is attacked while "[[Skill Drain]]" is active, the effect of " does {{sic|Kisetai|"}} is negated, damage calculation is performed, and "{{sic|Kisetai|"}} will not stop you from activating Ignition Effectsequip itself to the attacking monster. But if "{{sic|Kisetai|"}} is already an [[Equip Spell Card]], but and "[[Skill Drain]]" is activated, "{{sic|Kisetai|"}} is unaffected because it does negate their effects as long as the is no longer an [[Effect Monster remains on the field]].
* If you Tribute "A [[Cannon SoldierUnion Monster]]" that attached itself to itself while another monster before "[[Skill Drain]]" is became active, "Cannon Soldier"'s effect is not negated because unaffected by "Cannon Soldier[[Skill Drain]]" 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 If "[[Winged MinionSkill Drain]]"is active, you can activate a Union Monster's effect while "Skill Drain" is activeto attach it to another monster, "Winged Minion" is no longer on the field but nothing happens and its effect resolvesit remains a monster.
* If you activate "'''[[Exiled ForceCard Rulings:Archfiend|Archfiend]]"'s '': The 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 rolling a die for an Archfiend will be negated by "[[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:Balloon Lizard|Balloon Lizard]]:''' While "[[Skill Drain]]" will negate Flip Effectsis active, 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 't put new counters on "Skill Drain[[Balloon Lizard]]" to a Flip Effect that is activated because a monster was attacked while face-down.
* If you Flip Summon "'''[[Spear CretinCard Rulings:Destiny HERO - Captain Tenacious|Destiny HERO - Captain Tenacious]]:''' If " while "[[Skill Drain]]" is activeduring the [[Standby Phase]] when this effect resolves, "Spear Cretin"'s this effect is will be negated when it is sent to the Graveyard because it is a Flip Effect and , even if "[[Skill Drain]]" was activated after your {{sic|[[Destiny HERO|Destiny Hero]]" negates Flip Effects}} monster was destroyed.
* '''[[Card Rulings:Light and Darkness Dragon|Light and Darkness Dragon]]''': If "[[Light and Darkness Dragon]]" is Summoned or flipped [[face-up]] while "[[Skill Drain]]" negates Multi-Trigger Effects such as 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 "[[Dark PaladinLight 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 "[[Ryu SenshiLight and Darkness Dragon]]"is not on the field.
* While '''[[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 you cannot Tribute a face-up "during the [[Kaiser SeahorseEnd Phase]]" to Tribute Summon a Level 7 or higher LIGHT monster. However, you can Tribute it will negate the effects of a face-down "Kaiser SeahorseMajestic Mech" so the "Majestic Mech"will not send itself to the [[Graveyard]].
===On Negating Continuous/Non-Chainable Effects===* While "[[Skill Drain]]" is active, you cannot [[Tribute]] a [[face-up]] "maintenance costs[[Kaiser Sea Horse|Kaiser Seahorse]]" are not negated (see the Advanced Gameplay FAQ) so you still have to pay for "[[The Unfriendly AmazonTribute Summon]]", "a [[Armor ExeLevel]]", 7 or higher [[ArchfiendsLIGHT]], etcmonster. However, all other costs are negated, so you do not have to pay to attack with "can [[Dark ElfTribute]]" or "a [[Jirai Gumoface-down]]"Kaiser Seahorse".
* Restrictions are also lifted, so you can attack with "[[Ultimate Obedient Fiend]]" even if you have other cards on your side of the field.
* [[Spirit 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. * "[[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. * "[[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. * 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. * Monstersthat 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. * If "[[Skill Drain]]" is activated after "[[Hayabusa Knight]]"'s first attack, "[[Hayabusa Knight]]" does not get its second attack. * Do not roll dice for [[Archfiend]]s while "[[Skill Drain]]" is active. * 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: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 owneropponent. If "[[Skill Drain]]" is later [[negate]]d or removed from the field, the selected monster is returned to your control. * '''[[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: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: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:Dark Catapulter|Dark Catapulter]]:''' If "[[Skill Drain]]" is activated, all [[counter]]s hand on "[[Dark Catapulter]]" are removed for no effect. * '''[[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: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: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: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: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:Elemental HERO Wildheart|Elemental HERO Wildheart]]:''' For {{sic|"[[Elemental Hero Wildheart]]"}} vs. "[[Skill Drain]]", whichever effect was activeon 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:Fox Fire|Fox Fire]]:''' While "[[Skill Drain]]" is active, you can [[Tribute]] "[[Fox Fire]]" for a [[Tribute Summon]]. * '''[[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: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. * '''[[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. * '''[[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". * '''[[Card Rulings:Mataza the Zapper|Mataza the Zapper]]:''' While "[[Skill Drain]]" is active, you can take control of "[[Mataza the Zapper]]" from your opponent. * '''[[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: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.
* '''[[Toon MonstersCard Rulings:Morphtronic Celfon|Morphtronic Celfon]]' effects are negated while '': 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, [[Attack Position]] and they are not destroyed if [[Defense Position]] effects of "[[Toon World"Morphtronic Celfon]] is destroyed" cannot be activated, but they cannot attack your opponent directlybecause the "While in Attack Position" and "While in Defense Position" effects are negated.
* "'''[[JinzoCard Rulings:Morphtronic Clocken|Morphtronic Clocken]]''': While " cannot negate Trap Cards while "[[Skill Drain]]" is already active, because the [[Attack Position]] and [[Defense Position]] effects of "Skill Drain[[Morphtronic Radion]]" is negating "Jinzo"'s effect. But if "Jinzo" is already on cannot be activated, because the field, you cannot activate "Skill DrainWhile in Attack Position" because and "JinzoWhile in Defense Position"'s effect prevents you from doing soeffects are negated.
* When a monster's ATK or DEF are changed by its own effect, like "''[[Slate WarriorCard Rulings:Morphtronic Datatron|Morphtronic Datatron]]" or ''': While "[[Berserk DragonSkill Drain]]"is active, the [[Attack Position]] and [[Defense Position]] effects of "Skill Drain[[Morphtronic Datatron]]" is cannot be activated, that monster's effect is negated and because the ATK/DEF are returned to normal. Even if "Skill DrainWhile in Attack Position" is then destroyed, the old adjustment to ATK/DEF does not come back. Any bonuses or penalties are lost when and "Skill DrainWhile in Defense Position" effect is applied, and you have to start over from the beginningeffects are negated.
* If your opponent uses "'''[[Bazoo the Soul-EaterCard Rulings:Morphtronic Magnen|Morphtronic Magnen]]"'s effect to increase its ATK, and you use '': While "[[Skill Drain]]"is active, the [[Attack Position]] and [[Defense Position]] effects of "Bazoo the Soul-Eater[[Morphtronic Magnen]]"'s ATK returns to normalcannot be activated, even if because the "Skill DrainWhile in Attack Position" is destroyed after resolving. If "Skill Drain" is negating and "Bazoo the Soul-Eater"'s effect, you can still pay the cost and remove monsters While in your Graveyard from play, but "Bazoo the Soul-EaterDefense Position"'s ATK will not increaseeffects are negated.
* "'''[[Goblin Attack ForceCard Rulings:Morphtronic Radion|Morphtronic Radion]]" and ''': While "[[Spear DragonSkill Drain]]" do not change their battle position after attacking while "Skill Drain" is active. If "Goblin , the [[Attack Force" attacks Position]] and changes battle position, then on your next turn you activate [[Defense Position]] effects of "Skill Drain[[Morphtronic Radion]]"cannot be activated, you can change because the "Goblin While in Attack ForcePosition" back to Attack and "While in Defense Position because its effect that prevents this is " effects are negated.
* Monsters equipped to '''[[Card Rulings:Neo-Spacian Glow Moss|Neo-Spacian Glow Moss]]:''' If "[[RelinquishedNeo-Spacian Glow Moss]]" while attacks directly with its effect and "[[Skill Drain]]" is active are negated and destroyed because activated in response, "Relinquished[[Neo-Spacian Glow Moss]]" can no longer has an effect that allows it to be equipped with a monster, and "Relinquished"'s ATK attack directly and DEF are returned to normal(another) replay will occur.
* Monsters that can hold '''[[Spell CountersCard Rulings:Phantom Dragon|Phantom Dragon]], like ''': If you have 1 face-up "[[Skilled Dark MagicianPhantom Dragon]]", 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 removedwhen 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]]".
* If a face-down "'''[[KisetaiCard Rulings:Proto-Cyber Dragon|Proto-Cyber Dragon]]:''' If " is attacked while "[[Skill Drain]]" is active, the effect of "Kisetai" this card is negated, damage calculation is performed, and no longer treated as "Kisetai[[Cyber Dragon]]" will . You could not equip itself to the attacking monster. But if use it for "Kisetai" is already an Equip Spell Card, and "Skill Drain[[Attack Reflector Unit]]" is activated, Kisetai is unaffected because it is no longer an Effect Monsteretc.
* The effects of '''[[Card Rulings:Silent Insect|Silent Insect]]:''' If "[[Zombyra the DarkSilent Insect]]" are negated while is [[face-up]] on the field, you can activate "Skill Drain" is active, so "Zombyra the Dark" can attack your opponent directlyby paying 1000 Life Points, and its ATK is not decreased because of but its effectwill be negated. If "[[Skill Drain]]" is destroyed, active on the field when you Normal or Flip Summon "Zombyra the Dark[[Silent Insect]]"'s ATK is not changed, its effects are negated and it will remain in [[Attack Position]].
* The ATK and DEF of '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' If "[[Gradius' OptionSkill Drain]]"is active, the ATK of "[[Maju GarzettSpirit Reaper]]"can be equiped with Equip Cards, and similar monsters is 0 while but if "[[Skill Drain]]" is active, and is not restored even if later removed from the field "Skill Drain[[Spirit Reaper]]" is destroyedwill be [[destroy]]ed.
* If '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' "Skill Drain[[Spirit Reaper]]" is activated after can be [[destroy]]ed as a result of battle while "[[Hayabusa KnightSkill Drain]]"'s first attack, "Hayabusa Knight" does not get its second attackis active.
* You can Special Summon '''[[Card Rulings:The Unhappy Girl|The Unhappy Girl]]:''' If "[[The Unhappy Girl]]" applies her effect to a monster, and "[[GilasaurusSkill Drain]]" while is then activated and resolves, and "[[Skill Drain]]" is activethen [[destroy]]ed afterwards, but its then "[[The Unhappy Girl]]"'s effect is negated so your opponent does not get to Special Summonre-applied and the monster that battled with her before "[[Skill Drain]]" was activated cannot attack or change [[battle position]] once again.
* Do not roll dice for Archfiends while '''[[Card Rulings:Vennominaga the Deity of Poisonous Snakes|Vennominaga the Deity of Poisonous Snakes]]:''' If "[[Skill Drain]]" is already activeon the field when Vennominaga is Special Summoned, the effect of Vennominaga is negated.
===If the Monster is Not Face-Up===* A "[[Skill Drain]]" will not negate an [[Ignition Effect]] or [[Trigger Effect]] if the [[Union Effect 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 not [[face-up]] on the field when the effect to attach it to another monster, but nothing happens and it remains a monsterresolves.
* "[[Skill Drain]]" will does not affect lingering stop you from activating [[Ignition Effect]]s, but it does negate their effects or conditions that are left over from 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 previous different monster for "[[Cannon Soldier]]"'s effect, then the effectis negated and your opponent takes no damage. For example** Likewise, if you Special Summon a activate "[[Fusion MonsterWinged Minion]] with "'s effect while "[[Summoner of IllusionsSkill Drain]]"is active, "[[Winged Minion]]" is no longer on the field and then its effect resolves.** If you activate "[[Exiled Force]]"'s effect while "[[Skill Drain]]" is activated afterwardsactive, "[[Exiled Force]]" is no longer on the Fusion Monster is still destroyed in field and you can select and destroy 1 monster on the End Phasefield. ** 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 a Fusion Monster with ]] "[[Magical ScientistBlue-Eyes White Dragon]]".** If you Tribute "[[Great Dezard]], and then "while "[[Skill Drain]]" is activatedactive, it is no longer on the Fusion Monster cannot attack your opponent's Life Points directly, field and is returned to the Fusion Deck at the end of the turnyou can [[Special Summon]] "[[Fushioh Richie]]".
* When '''[[Card Rulings:Big Shield Gardna|Big Shield Gardna]]:''' "[[Jowls Skill Drain]]" only negates the effects of Dark Demisemonsters that are [[face-up]] on the field, so a [[face-down]] "[[Big Shield Gardna]]'s effect is activated and resolves, and then "may still negate a [[Spell Card]] that targets it while "[[Skill Drain]]" is activated afterwardsactive on the field. It will still be flipped to [[face-up]] [[Defense Position]], it has no effect on "Jowls of Dark Demise"'s and now its effect, so control of the monster does not change until that changes its battle position when it is returned to the original controller at the end of the turnattacked will be negated.
* '''[[Card Rulings:Doomcaliber Knight|Doomcaliber Knight]]''': If "[[Hino-Kagu-TsuchiDoomcaliber Knight]]"'s " effect is activated, and then activates while "[[Skill Drain]]" is activated laterface-up on the field, "Hino-Kagu-Tsuchi"'s its effect is not negated and the opponent must discard his/her hand during their next Draw Phase. But if "Skill Drain" because it is active at not on the time "Hino-Kagu-Tsuchi"'field when its effect [[resolve]]s effect activates, then the effect is negated.
* Conditions for Summoning monsters is not negated by '''[[Card Rulings:Winged Kuriboh LV10|Winged Kuriboh LV10]]:''' You can activate the effect of "[[Winged Kuriboh LV10]]" if "[[Skill Drain]]"is on the field, so you still must remove 1 DARK and 1 LIGHT monster to Special Summon "its effect will resolve normally and not be negated, because it is no longer a [[Chaos Emperor Dragon face- Envoy of the Endup]]", and you cannot Normal Summon or Flip monster on the field.
===On Removing Lingering Effects which Modify ATK/DEF===* Summoning When a monster's [[ATK]] or [[DEF]] are changed by its own effect, like "[[Slate Warrior]]" or "[[Terrorking ArchfiendBerserk Dragon]]", and "[[Skill Drain]]" is activated, that monster's effect is negated and the [[ATK]]/[[DEF]] are returned to normal. Even if there "[[Skill Drain]]" is then destroyed, the old adjustment to [[ATK]]/[[DEF]] does not come back. Any bonuses or penalties are no Archfiends on lost when "[[Skill Drain]]" effect is applied, and you have to start over from the fieldbeginning.
* You can have 2 If your opponent uses "[[GravekeeperBazoo the Soul-Eater]]"'s Chiefseffect to increase its [[ATK]], and you use "[[Skill Drain]]" on , "[[Bazoo the field while Soul-Eater]]"'s [[ATK]] returns to normal, even if "[[Skill Drain]]" is active, but if destroyed after resolving. If "[[Skill Drain]]" is destroyednegating "[[Bazoo the Soul-Eater]]"'s effect, select 1 of you can still pay the cost and remove monsters in your Graveyard from play, but "[[Bazoo the Soul-Eater]]"Gravekeeper's Chiefs" and destroy it[[ATK]] will not increase.
* The [[ATK]] and [[DEF]] of "[[Gradius'''Option]]", the [[ATK]] of "[[Card Rulings:Ancient Lamp|Ancient LampMaju Garzett]]:''' If ", and similar monsters is 0 while "[[Skill Drain]]" is active on the field, the effects of and is not restored even if "Ancient Lamp[[Skill Drain]]" will be negated. (Attacks will not be re-directedis destroyed.)
* '''[[Card Rulings:AnteatereatingantBehemoth the King of All Animals|AnteatereatingantBehemoth the King of All Animals]]:''' If you activate [[Tribute Summon]] "[[Behemoth the effect King of All Animals]]"Anteatereatingant"with 1 [[Tribute]], then activate and "[[Skill Drain]]"is activated, "Anteatereatingant" still can't attack that turnits [[ATK]] becomes 2700 points. (Even if "[[Skill Drain]]" was chained to is destroyed, the effect[[ATK]] remains at 2700 points.)
* '''[[Card Rulings:Armor ExeBerserk Dragon|Armor ExeBerserk Dragon]]:''' If While "[[Skill Drain]]" is active and , "[[Berserk Dragon]]"'s effects are negated. But "Armor Exe[[Berserk Dragon]]" is Summoned's effect doesn't count turns, or so if "[[Skill Drain]]" was active for 4 turns, and is activated after "Armor Exe" is Summonedthen [[destroy]]ed, in both cases do not reduce "Armor Exe[[Berserk Dragon]]" CAN attack the same turn it was Summoned's [[ATK]] for those 4 turns.
* '''[[Card Rulings:Atomic FireflyCard Trooper|Atomic FireflyCard Trooper]]:''' : If "[[Skill Drain]]"Atomic Fireflyis activated after "[[Card Trooper]]'s " first effect activates has been activated, the increase in the Graveyard when "Atomic Firefly" is sent to the Graveyard at the end of the attack, so ATK will be negated. Even if "[[Skill Drain]]" leaves play, the increase in ATK will not negate its effectreturn.
* '''[[Card Rulings:Balloon LizardDarkblaze Dragon|Balloon LizardDarkblaze Dragon]]:''' While : If "[[Skill Drain]]" is active[[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]], you can"[[Skill Drain]]" will [[negate]] "[[Darkblaze Dragon]]'t put s" effect that doubles its original [[ATK]] and [[DEF]] to create a new counters on current [[ATK]] and [[DEF]]. If "Balloon Lizard[[Skill Drain]]"is later [[negate]]d or removed from the field, the original [[ATK]] and [[DEF]] are not doubled again.
* '''[[Card Rulings:Behemoth the King of All AnimalsExodia Necross|Behemoth the King of All AnimalsExodia Necross]]:''' If you Tribute Summon While "Behemoth the King of All Animals[[Skill Drain]]" with 1 Tributeis active, and "Skill Drain[[Exodia Necross]]" ' [[ATK]] is activated, returned to its ATK becomes 2700 original 1800 points. Even if "[[Skill Drain]]" then leaves play, "[[Exodia Necross]]" is destroyeddoes no{{sic}} regain any [[ATK]] increases it had because of its effect, the but it will begin to accumulate [[ATK remains at 2700 ]] pointsagain.
* '''[[Card Rulings:Berserk DragonExodia Necross|Berserk DragonExodia Necross]]:''' While "[[Skill Drain]]" is active, "Berserk Dragon[[Exodia Necross]]"'s effects is not destroyed if Exodia pieces are negated. But "Berserk Dragon"'s effect doesn't count turnsremoved from the Graveyard, so but it will be destroyed if the effect of "[[Skill Drain]]" was active for 4 turns, and is then destroyed, do not reduce "Berserk Dragon"'s ATK for those 4 turnsdisappears.
* '''[[Card Rulings:Big Shield GardnaFelgrand Dragon|Big Shield GardnaFelgrand Dragon]]:''' : If "[[Skill Drain]]" only negates the effects of monsters that are is [[face-up ]] on the fieldwhen "[[Felgrand Dragon]]" is [[Special Summon]]ed, so a face-down or if "[[Skill Drain]]" is activated after "[[Felgrand Dragon]]"Big Shield Gardnais Special Summoned, " may still [[Skill Drain]]" will [[negate a Spell Card that targets it while ]] "[[Felgrand Dragon]]'s" [[ATK]] gaining effect. If "[[Skill Drain]]" is active on later negated or removed from the field. It will still be flipped to face-up Defense Position, and now its effect that changes its battle position when it the [[ATK]] gain is attacked will be negatednot reapplied.
* '''[[Card Rulings:Black Luster Soldier Fusilier Dragon, the Dual- Envoy of Mode Beast|Fusilier Dragon, the Beginning|Black Luster Soldier Dual- Envoy of the BeginningMode Beast]]:''' If you activate "Black Luster Soldier - Envoy of the Beginning"'s first effectSummoned this card without [[Tribute]], and then "[[Skill Drain]]" is chained to it to negate later activated, the effect, or if [[ATK]] and [[DEF]] are no longer halved. If "[[Skill Drain]]" was active before you activated is later destroyed, the effect, you cannot attack with "Black Luster Soldier [[ATK]] and [[DEF]] still remain 2800/2000. You can Normal Summon Fusilier Dragon without Tributing monsters while Skill Drain is face- Envoy of up on the Beginning" that turn because the activation of field as it only targets Effect Monsters on the effect was not negated and the condition that is included will not be negated by "field. Skill Drain"will then negate Fusilier Dragon's ATK and DEF reducing effect, increasing it to 2800/2000.
* '''[[Card Rulings:Burning AlgaeGigantic Cephalotus|Burning AlgaeGigantic Cephalotus]]:''' If "Burning Algae[[Skill Drain]]" is active, "[[Gigantic Cephalotus]]"'s loses any ATK gained by its effect cannot be negated by . The ATK is not regained when "[[Skill Drain]]"is negated or removed from the field.
* '''[[Card Rulings:Chainsaw InsectGladiator Beast Hoplomus|Chainsaw InsectGladiator 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 activelater activated, your opponent this effect is negated and "[[Gladiator Beast Hoplomus]]" [[Original ATK and DEF|original DEF]] will not get return to draw, unless 2100. Even if "Chainsaw Insect[[Skill Drain]]" is destroyed in later negated or removed from the battlefield, then its effect will activate in the Graveyard and your opponent original [[DEF]] of "[[Gladiator Beast Hoplomus]]" will draw 1 cardremain at 2100.
* '''[[Card Rulings:Chiron the MageGladiator Beast Laquari|Chiron the MageGladiator Beast Laquari]]:''' The restriction that you can only activate this : If "[[Gladiator Beast Laquari]]" is Special Summoned by the effect once per turn of a "[[Gladiator Beast]]" monster, its Original [[ATK]] and DEF becomes 2100. If "[[Skill Drain]]" is a conditionlater activated, not an this effectis [[negate]]d and "[[Gladiator Beast Laquari]]'s" original [[ATK]] will return to 1800. So Even if "[[Skill Drain]]" is on later [[negate]]d or removed from the field, you can pay the cost once per turn (for no effect), but not pay the cost continuously in the same turnoriginal [[ATK]] of "[[Gladiator Beast Laquari]]" will remain at 1800.
* '''[[Card Rulings:Combo FighterLegendary Fiend|Combo FighterLegendary Fiend]] / [[Card Rulings:Combo Master|Combo Master]]:''' If a chain occurred, then : While "[[Skill Drain]]" was activatedis active, but then the ATK gain disappears. When "[[Skill Drain]]" was destroyedis [[negate]]d or removed from the field, this monster can attack twice. (This monster's perception that a chain occurred the ATK gain is not resetreapplied.)
* '''[[Card Rulings:D.D. SurvivorMaju Garzett|D.D. SurvivorMaju Garzett]]:''' If "[[Skill Drain]]" is active when , "D.D. Survivor[[Maju Garzett]]" 's [[ATK]] is removed from play, it reset to 0 even if "[[Skill Drain]]" is still Special Summoned because its effect activates during the End Phase while it is removed from playlater [[destroy]]ed.
* '''[[Card Rulings:Darkblaze DragonMan Beast of Ares|Darkblaze DragonMan Beast of Ares]]:''': If "[[Skill DrainMan Beast of Ares]]" is face-up on the field when "gains [[Darkblaze DragonATK]]" is [[Special Summon]]ed from the Graveyard, or if but then "[[Skill Drain]]" is activated after ", the [[Darkblaze DragonATK]]" increase is Special Summoned from the Graveyard, wiped out. Even if "[[Skill Drain]]" will is later destroyed, the [[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]]" increase is later not restored. (Although new [[negateATK]]d or removed from the field, the original ATK and DEF are not doubled againcan be gained.)
* '''[[Card Rulings:Dark CatapulterMegarock Dragon|Dark CatapulterMegarock Dragon]]:''' If "[[Skill Drain]]" is active while "[[Megarock Dragon]]" is activatedin play, all counters on the effect of "Dark Catapulter[[Megarock Dragon]]" is negated and its original [[ATK]] and [[DEF]] are removed for no effecttreated as zero. Even if "[[Skill Drain]]" is destroyed later, the original [[ATK]] and [[DEF]] of "[[Megarock Dragon]]" will remain zero.
* '''[[Card Rulings:Dark Magician of ChaosMontage Dragon|Dark Magician of ChaosMontage Dragon]]:''' While : If "[[Skill Drain]]" is activewhile "[[Montage Dragon]]" is face-up on the field, the first and second effects of its ATK becomes 0. If "Dark Magician of Chaos[[Skill Drain]]" are is later negatedor removed from the field, but the 3rd effect is not negatedits ATK remains 0.
* '''[[Card Rulings:Dark PaladinUFOroid Fighter|Dark PaladinUFOroid Fighter]]:''' : If "Dark Paladin[[UFOroid Fighter]]"'s +500 ATK effect is a Continuous Effect. While on the field, and then "[[Skill Drain]]" is activeactivated, the effects of [[original ATK and DEF|original ATK & DEF]] will be zero, and will remain zero even if "Dark Paladin[[Skill Drain]]" are is [[destroy]]ed or negated.
====Judge List Rulings====* '''[[Card Rulings:Destiny Hero - Captain TenaciousChimeratech Overdragon|Destiny Hero - Captain TenaciousChimeratech Overdragon]]:''' : If "[[Skill Drain]]" is active during the Standby Phase when this effect resolvesactivated, this effect "[[Chimeratech Overdragon]]" will be negated, even if "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" was activated after your "Destiny Hero" monster was destroyed.'s impact on monsters with variable ATK and/or DEF</ref>
===On Not Removing Previously-Resolved/Lingering Effects===* '''When [[Card Rulings:Elemental Hero Neo Bubbleman|Elemental Hero Neo BubblemanJowls of Dark Demise]]:''' If s effect is activated and resolves, and then "[[Skill Drain]]" is activeactivated afterwards, this card is it has no longer treated as effect on "Elemental Hero Bubbleman[[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:Elemental Hero Wildheart|Elemental Hero Wildheart]]:''' For "Elemental Hero Wildheart" vs. "Skill Drain", whichever will not affect lingering effects or conditions that are left over from a previous effect was active on the field first takes precedence. So For example, if you [[Special Summon]] a [[Fusion Monster]] with "Elemental Hero Wildheart[[Summoner of Illusions]]" is on the field , and then "[[Skill Drain]]" is activatedafterwards, his effect the [[Fusion Monster]] is not negatedstill destroyed in the [[End Phase]]. But if If you [[Special Summon]] a Fusion Monster with "[[Magical Scientist]]", and then "[[Skill Drain]]" is on activated, the field [[Fusion Monster]] cannot attack your opponent's [[Life Points]] directly, and "Elemental Hero Wildheart" is Summoned, his effect is negated by "Skill Drain" as long as "Skill Drain" remains on returned to the [[Fusion Deck]] at the end of the fieldturn.
* '''If "[[Card Rulings:Exodia Necross|Exodia NecrossHino-Kagu-Tsuchi]]:"''' While s effect is activated, and then "[[Skill Drain]]" is activeactivated later, "Exodia Necross[[Hino-Kagu-Tsuchi]]"' ATK s effect is returned to its original 1800 pointsnot negated and the opponent must discard his/her hand during their next Draw Phase. Even But if "Skill Drain" then leaves play, is active at the time "Exodia Necross[[Hino-Kagu-Tsuchi]]" does no regain any ATK increases it had because of its 's effectactivates, but it will begin to accumulate ATK points againthen the effect is negated.
* '''[[Card Rulings:Exodia NecrossBlue Thunder T-45|Exodia NecrossBlue Thunder T-45]]:''' While : Even while "[[Skill Drain]]" is active, the "Exodia Necross[[Thunder Option Token]]" is not destroyed if Exodia pieces are removed from the Graveyard, but it will cannot be destroyed if the effect of "Skill Drain" disappears[[Tribute]]d for a [[Tribute Summon]].
* '''[[Card Rulings:Felgrand DragonGear Golem the Moving Fortress|Felgrand DragonGear Golem the Moving Fortress]]:''': If "[[Skill Drain]]" is face-up on the field when "[[Felgrand Dragon]]" is Special Summoned, or if you activate & resolve this card's effect and then "[[Skill Drain]]" is activated after "[[Felgrand Dragon]]" is Special Summoned, you can still attack directly because "[[Skill DrainGear Golem the Moving Fortress]]" will [[negate]] "[[Felgrand Dragon|$Felgrand Dragon's]]" ATK gaining effect. If is already applied and it's still applied even if "[[Skill Drain]]" is later negated or removed from the field, the ATK gain is not reappliedactivated.
* '''[[Card Rulings:Fox FireMagical Scientist|Fox FireMagical Scientist]]:''' While If "[[Skill Drain]]" is activeactivated after a Fusion Monster is [[Special Summon]]ed with "[[Magical Scientist]]", you can Tribute the effect of "Fox Fire[[Magical Scientist]]" for a Tribute (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:Fusilier Dragon, the Dual-Mode BeastMosaic Manticore|Fusilier Dragon, the Dual-Mode BeastMosaic Manticore]]:''' : If you Summoned this card without Tribute, and then "[[Skill Drain]]" is later activated, after the ATK and DEF are no longer halved. If monsters [[Tribute]]d to [[Tribute Summon]] "Skill Drain[[Mosaic Manticore]]" is later destroyedare [[Special Summon]]ed by its effect, the ATK monsters still cannot attack and DEF still remain 2800/2000their effects are negated.
* '''[[Card Rulings:Gear Golem the Moving FortressNeo-Spacian Dark Panther|Gear Golem the Moving FortressNeo-Spacian Dark Panther]]:''' If you activate & resolve this card's effect and then "[[Skill Drain]]" is activated, you can still attack directly because "Gear Golem the Moving Fortressafter "[[Neo-Spacian Dark Panther]]'s " effect is already applied and has resolved, the effects that the "[[Neo-Spacian Dark Panther|Dark Panther]]" copied will be negated, but it's will still applied even if "Skill Drain" is activatedkeep the copied card name until the end of the turn.
* '''[[Card Rulings:Giant KozakyPlaguespreader Zombie|Giant KozakyPlaguespreader Zombie]]:''' The effect of : If "Giant Kozaky[[Plaguespreader Zombie]]" that inflicts damage to the controller activates in is Special Summoned from the [[Graveyard or the "removed zone", wherever "Giant Kozaky" goes to after being destroyed. "The End of Anubis" will negate the ]] by its 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 is later removed from the Graveyard"). Nor will field while "[[Skill Drain]]" negate the damage if "Giant Kozaky" is destroyedactive, it is removed from play.
* '''[[Card Rulings:Gora Turtle of IllusionQuillbolt Hedgehog|Gora Turtle of IllusionQuillbolt Hedgehog]]:''' ...if : If "[[Quillbolt Hedgehog]]"is Special Summoned by its effect and is later removed from the field while "[[Skill Drain]]" is activatedactive, then "Gora Turtle of Illusion[[Quillbolt Hedgehog]]"'s effect is negated, and "Snatch Steal"'s effects will resolve properlystill removed from play.
* '''[[Card Rulings:Magical ScientistRaviel, Lord of Phantasms|Magical ScientistRaviel, Lord of Phantasms]]:''' If "[[Skill Drain]]" is activated after a Fusion Monster is Special Summoned with "Magical Scientist", the effect of any "Magical Scientist[[Phantasm Token]]s" (that makes on the Fusion Monster unable to field still cannot attack directly and have to go back to the Fusion Deck) has been applied already. (Also, and while "[[Skill Drain]]" is active, "[[Raviel, Lord of Phantasms]]" will not negated, so the Special Summoned Fusion Monster still cannot attack directly and must go back to the Fusion Deckgenerate any more "[[Phantasm Token]]s".)
* '''[[Card Rulings:Majestic Mech - GoryuSonic Jammer|Majestic Mech - Goryu]] / [[Card Rulings:Majestic Mech - Ohka|Majestic Mech - Ohka]] / [[Card Rulings:Majestic Mech - Senku|Majestic Mech - SenkuSonic Jammer]]:''' If "[[Skill Drain]]" is active during the End Phaseactivated after "[[Sonic Jammer]]"'s effect has resolved, it will negate the effects effect of a "Majestic MechSonic Jammer" so the is not negated because "Majestic Mech[[Skill Drain]]" will was not send itself to the Graveyardactive when "[[Sonic Jammer]]" was flipped, activated its effect, and applied its effect.
===Versus Costs/Conditions===* '''While "[[Skill Drain]]" is active, "[[Card Rulings:Maju GarzettMaintenance Cost|Maju Garzettmaintenance costs]]" are not negated (see the [http://replay.waybackmachine.org/20090226121409/http:''' If //entertainment.upperdeck.com/yugioh/en/gameplay/faqs/advancedgameplay/default.aspx Advanced Gameplay FAQ]) so you still have to pay for "Skill Drain[[The Unfriendly Amazon]]" is active, "Maju Garzett[[Armor Exe]]"', [[Archfiend]]s ATK is reset , etc. However, all other costs are negated, so you do not have to pay to 0 even if attack with "Skill Drain[[Dark Elf]]" or "[[Jirai Gumo]]" is later destroyed.
* '''You can [[Card Rulings:Man Beast of Ares|Man Beast of AresSpecial Summon]]:''' If "Man Beast of Ares[[Gilasaurus]]" gains ATK, but then while "[[Skill Drain]]" is activatedactive, the ATK increase is wiped out. Even if "Skill Drain" is later destroyed, the ATK increase but its effect is negated so your opponent does not restored. (Although new ATK can be gainedget to [[Special Summon]].)
* '''Conditions for Summoning monsters is not negated by "[[Skill Drain]]", so you still must remove 1 [[DARK]] and 1 [[Card Rulings:Mataza the Zapper|Mataza LIGHT]] monster to [[Special Summon]] "[[Chaos Emperor Dragon - Envoy of the ZapperEnd]]:''' While "Skill Drain" is active, and you can take control of cannot Normal Summon or Flip {{sic|Summong}} "[[Terrorking Archfiend]]"Mataza if there are no [[Archfiend]]s on the Zapper" from your opponentfield.
* '''[[Card Rulings:Megarock DragonAnteatereatingant|Megarock DragonAnteatereatingant]]:''' : If you activate the effect of "[[Anteatereatingant]]", then activate "[[Skill Drain]]" is active while "Megarock Dragon" is in play, the effect of "Megarock Dragon[[Anteatereatingant]]" is negated and its original ATK and DEF are treated as zerostill can't attack that turn. (Even if "[[Skill Drain]]" is destroyed later, was [[chain]]ed to the original ATK and DEF of "Megarock Dragon" will remain zeroeffect.)
* '''[[Card Rulings:Mirage KnightBlack Luster Soldier - Envoy of the Beginning|Mirage KnightBlack Luster Soldier - Envoy of the Beginning]]:''' If you activate "Mirage Knight" can be Special Summoned by "Dark Flare Knight[[Black Luster Soldier - Envoy of the Beginning]]"'s first effect even if , and "[[Skill Drain]]" is activechained to it to negate the effect, because or if "Dark Flare Knight[[Skill Drain]]"'s was active before you activated the effect activates in the Graveyard. However, you cannot attack with "Mirage Knight[[Black Luster Soldier - Envoy of the Beginning]]"'s effects are that turn because the activation of the effect was not negated and the condition that is included will not be negated by "[[Skill Drain]]".
* '''[[Card Rulings:Neo-Spacian Dark PantherChiron the Mage|Neo-Spacian Dark PantherChiron the Mage]]:''' If The restriction that you can only activate this effect once per turn is a condition, not an effect. So if "[[Skill Drain]]" is activated after "Neo-Spacian Dark Panther's" effect has resolvedon the field, you can pay the effects that the "Dark Panther" copied will be negatedcost once per turn (for no effect), but it will still keep the copied card name until not pay the end of cost continuously in the same turn.
* '''[[Card Rulings:Neo-Spacian Glow MossCombo Fighter|Neo-Spacian Glow MossCombo Fighter]] / [[Card Rulings:Combo Master|Combo Master]]:''' If a chain occurred, then "Neo-Spacian Glow Moss" attacks directly with its effect and "[[Skill Drain]]" is was activated in response, but then "Neo-Spacian Glow Moss[[Skill Drain]]" was destroyed, this monster can no longer attack directly and twice. (anotherThis monster's perception that a [[chain]] occurred is not reset.) replay will occur.
* '''[[Card Rulings:Power BondTerrorking Archfiend|Power BondTerrorking Archfiend]]:''' If you Fusion Summon "UFOroid Fighter" with 3000 ATK, and then later in the turn While "[[Skill Drain]]" is activated, reducing its ATK to 0active, you will still take 3000 points need to have an [[Archfiend]] [[Monster Card]] on your side of damage during the End Phase. If you send "UFOroid Fighter" field in order 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 [[Normal Summon]] or [[Flip Summon]] "Power Bond[[Terrorking Archfiend]]".
* '''[[Card Rulings:Power CapsuleThe Creator|Power CapsuleThe Creator]]:''' You can 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 "Power Capsule[[Disappear]]" , you've still used the effect. So you cannot activate its effect again that turn (even if you destroy "[[Skill Drain]]" is on the field).
* '''[[Card Rulings:ProtoThe Six Samurai -Cyber DragonKamon|ProtoThe Six Samurai -Cyber DragonKamon]] / [[Card Rulings:The Six Samurai - Yaichi|The Six Samurai - Yaichi]]:''' If "[[The Six Samurai - Kamon|Kamon's]]" effect is used, then "[[Skill Drain]]" is activeactivated later, this card is no longer treated as "Cyber Dragon". You could not use it for [[The Six Samurai - Kamon|Kamon]]"Attack Reflector Unit", etcstill cannot declare an attack that turn.
===Versus Effects which Activate Off the Field===* '''"[[Skill Drain]]" negates the effects of [[Card Rulings:Ravielface-up]] [[Effect Monster]]s on the field, Lord of Phantasms|Ravielbut does not negate effects that activate in the [[Graveyard]], Lord such as "[[Witch of Phantasmsthe Black Forest]]:''' If "Skill Drain, "[[Sangan]]" is activated, any "Phantasm Tokens[[Mystic Tomato]]" on the field still cannot attack. (Also, while "Skill Drain[[Giant Rat]]" is active, "Raviel[[Sinister Serpent]]", and "[[Vampire Lord of Phantasms" will not generate any more "Phantasm Tokens]]".)
* '''If your "[[Dark Flare Knight]]" is sent to the [[Card Rulings:Sacred Phoenix of Nephthys|Sacred Phoenix of NephthysGraveyard]]:''' If while "[[Skill Drain]]" is active on the field, the its effect of "Sacred Phoenix of Nephthys" that Special Summons it from the Graveyard is still activated, because it is activated activates in the Graveyard. However, the effect that destroys Spell and Trap Cards on the field is negated because it activates on the field so you can [[Special Summon]] "[[Mirage Knight]]" (so but "Skill Drain[[Mirage Knight]]" and other Spell and Trap Cards on the field are not destroyed 's effects will be negated once it is in this caseplay).
* '''If your "[[Neko Mane King]]" is sent to the [[Card Rulings:Sand Moth|Sand MothGraveyard]]:by your opponent''' Even if s card effect while "[[Skill Drain]]" is active when "Sand Moth" is Special Summoned by , its own effect, its ATK and DEF will remained switched. (2000 ATK / 1000 DEF)is activated.
* '''If your "[[Card Rulings:Silent Insect|Silent InsectTwin-Headed Behemoth]]:''' If "Silent Insect" is face-up on destroyed and sent to the field, you can activate "Skill Drain" by paying 1000 Life Points, but its effect will be negated. If [[Graveyard]] while "[[Skill Drain]]" is active on the field when you Normal or Flip Summon "Silent Insect", its effects are negated effect activates and it will remain in Attack Positionis Special Summoned.
* '''[[Card Rulings:Skilled Dark MagicianAtomic Firefly|Skilled Dark MagicianAtomic Firefly]] / :''' "[[Card Rulings:Skilled White Magician|Skilled White MagicianAtomic Firefly]]:"''' When s effect activates in the [[Graveyard]] when "Skill Drain[[Atomic Firefly]]" is active, and you or your opponent activates a Spell Cardsent to the [[Graveyard]] at the end of the attack, do not place Spell Counters on this monster. Any Spell Counters that are on this monster are removed when so "[[Skill Drain]]" is activatedwill not negate its effect.
* '''[[Card Rulings:Sonic JammerBurning Algae|Sonic JammerBurning Algae]]:''' If "Skill Drain" is activated after "Sonic Jammer[[Burning Algae]]"'s effect has resolved, the effect of "Sonic Jammer" is not cannot be negated because by "[[Skill Drain]]" was not active when "Sonic Jammer" was flipped, activated its effect, and applied its effect.
* '''[[Card Rulings:Spirit ReaperChainsaw Insect|Spirit ReaperChainsaw Insect]]:''' If "[[Skill Drain]]" is active, "Spirit Reaper" can be equiped with Equip Cardsyour opponent will not get to draw, but if unless "Skill Drain[[Chainsaw Insect]]" is later removed from destroyed in the battle, then its effect will activate in the field "Spirit Reaper" wil be destroyed[[Graveyard]] and your opponent will draw 1 card.
* '''[[Card Rulings:Spirit ReaperD.D. Survivor|Spirit ReaperD.D. Survivor]]:''' If "Spirit Reaper" can be destroyed as a result of battle while "[[Skill Drain]]" is activewhen "[[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:Terrorking ArchfiendDark World|Terrorking ArchfiendDark World]]:''' While : The effects of these cards [[activate]] in the [[Graveyard]], so "[[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"will not [[negate]] their effects.
* '''[[Card Rulings:The Agent of Wisdom - MercuryGiant Kozaky|The Agent of Wisdom - MercuryGiant Kozaky]]:''' When the The effect of "The Agent of Wisdom - Mercury[[Giant Kozaky]]" is negated by that inflicts damage to the [[controller]] activates in the [[Graveyard]] or the "Skill Drainremoved zone", and you have no hand at the end of your opponent's End Phase, and you destroy wherever "Skill Drain[[Giant Kozaky]]" before your goes to after being [[destroy]]ed. "Standby Phase[[The End of Anubis]]" (such as with will negate the effect of "Mystical Space Typhoon[[Giant Kozaky]]" during your Draw Phase)if it was [[destroy]]ed and sent to the Graveyard, you CAN draw because but "Skill Drain[[Banisher of the Light]]" was destroyed. This is will not (because the "when you have no cards in your hand during your opponent's End Phase[[Giant Kozaky]]" is a condition, does not an effect, so it is not negated by have to be "Skill Drain[[destroy]]ed and sent to the [[Graveyard]]"). As long as you can make it so that Nor will "[[Skill Drain]]" is not negating negate the damage if "The Agent of Wisdom - Mercury[[Giant Kozaky]]"'s card-drawing effect by the time the Standby Phase begins, you can drawis [[destroy]]ed.
* '''[[Card Rulings:The CreatorMirage Knight|Mirage Knight]]:''' If you activate the "[[Mirage Knight]]" can be [[Special Summon]]ed by "[[Dark Flare Knight]]"'s effect of even if "The Creator[[Skill Drain]]"is active, and it does not resolve because the opponent chains "Skill Drain[[Dark Flare Knight]]", or removes the targeted monster from 's effect activates in the [[Graveyard with ]]. However, "Disappear[[Mirage Knight]]", you've still used the effect. So you cannot activate its effect again that turn (even if you destroy s effects are negated by "[[Skill Drain]]").
* '''[[Card Rulings:The Six Samurai - KamonSacred Phoenix of Nephthys|The Six Samurai - Kamon]] / [[Card Rulings:The Six Samurai - Yaichi|The Six Samurai - YaichiSacred Phoenix of Nephthys]]:''' If "Kamon's[[Skill Drain]]" effect is usedactive on the field, then the effect of "Skill Drain[[Sacred Phoenix of Nephthys]]" that [[Special Summon]]s it from the [[Graveyard]] is still activated, because it is activated laterin 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 "Kamon[[Skill Drain]]" still cannot declare an attack that turnand other [[Spell Card|Spell]] and [[ Trap Card]]s on the field are not [[destroy]]ed in this case).
* '''[[Card Rulings:The Unhappy GirlSand Moth|The Unhappy GirlSand Moth]]:''' If "The Unhappy Girl" applies her effect to a monster, and Even if "Skill Drain" is then activated and resolves, and active when "Skill Drain[[Sand Moth]]" is then destroyed afterwards[[Special Summon]]ed by its own effect, then "The Unhappy Girl"'s effect is re-applied its [[ATK]] and the monster that battled with her before "Skill Drain" was activated cannot attack or change battle position once again[[DEF]] will remained switched. (2000 [[ATK]] / 1000 [[DEF]]).
* '''[[Card Rulings:UFOroid FighterWinged Kuriboh|UFOroid FighterWinged Kuriboh]]:''' If Because the effect of "UFOroid Fighter[[Winged Kuriboh]]" is on activates in the field, and then "Skill Drain" is activatedGraveyard, the original ATK & DEF it will not be zero, and will remain zero even if negated by "[[Skill Drain]]" is destroyed or negated...
===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:Winged KuribohCloudian - Ghost Fog|Winged KuribohCloudian - Ghost Fog]]:''' Because If "[[Skill Drain]]" is activated while a monster has Fog Counter(s), the Fog Counter(s) remain on the monster. * '''[[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 of 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]]". * '''[[Card Rulings:Power Capsule|Power Capsule]]:''' You can activate and resolve "[[Power Capsule]]" even if "Skill Drain" is on the field. * '''[[Card Rulings:Spell Counter|Spell Counter]]:''' When "Winged Kuriboh[[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: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 Graveyardturn, the selected [[Gemini Monster]]'s effects will be active and can be used. * '''[[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 will is not be 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. * '''[[Card Rulings:Zoma the Spirit|Zoma the Spirit]]:''' "[[Zoma the Spirit]]'s" effect cannot be negated by "[[Skill Drain]]".}}