===On Negating Continuous/Non-Chainable Effects===* Paying 1000 '''[[Life PointsCard Rulings:Archlord Kristya|Archlord Kristya]]''': If "[[Skill Drain]] " is a active, the effect to return "[[Costs|costArchlord Kristya]]" to the [[Deck]]will not apply.

* "'''[[Skill Drain]]" negates Card Rulings:Blackwing - Vayu the effects Emblem of [[faceHonor|Blackwing -up]] [[Effect MonstersVayu the Emblem of Honor]] on ''': If the field, but does not negate effects that activate in the [[Graveyard]], such as effect of "[[Witch Blackwing - Vayu the Emblem of Honor|Blackwing – Vayu the Black ForestEmblem of Honor]]", is being negated by "[[SanganSkill Drain]]", "you can use it for a [[Mystic TomatoSynchro Summon]]", "[[Giant Rat]]", "[[Sinister Serpent]]", and "[[Vampire Lord]]"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 name is 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]]". * '''[[Dark Flare KnightCard 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 sent 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 activates 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 Summonthe [[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 "[[Mirage 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]] (but 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 "[[Mirage KnightSkill 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 once 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 in play)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 your "[[Neko Mane KingTorapart]]" is sent to the used as a [[GraveyardSynchro Material Monster]] while its effect is negated by your opponent's card effect while "[[Alector, Sovereign of Birds]]" or "[[Forbidden Chalice]]" or "[[Skill Drain]]", then the effect of "[[Torapart]]" is active, 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 your a face-up "[[Twin-Headed BehemothArchlord Kristya]]" is destroyed and sent from the field to the [[Graveyard]] while "[[Skill Drain]]" is active, its effect activates then it is not returned to the top of the Deck, and it is Special Summonedsent 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]]" will not negate an is active when you Normal Summon "[[Ignition EffectBlizzard Princess]] ", then the effect "''your opponent cannot activate Spell or [[Trigger Effect]] 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 "[[Effect Monsters|Effect MonsterSkill Drain]] " is not no longer applied.<ref>[[face-uphttp://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56412&event=FE0006 Konami FAQ]] on the field when : If "Blizzard Princess" is Normal Summoned while "Skill Drain" is applied, then is the effect resolves.negated?<!--/ref>

******************'''[[Card Rulings:Dark Elf|Dark Elf]]''': The following ruling has been broken up 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 make it clearer. It appears as one continuous paragraph return a card on the UDE 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>

-->* "'''[[Skill Drain:Card Rulings:Dragunity Dux|Dragunity Dux]]" does not stop you from activating / [[Ignition Effect]]s, but it does negate their effects as long as the [[Effect MonstersCard Rulings:Dragunity Legionnaire|Effect MonsterDragunity Legionnaire]] remains on ''': Suppose that 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]] of a different monster for like "[[Cannon SoldierDragunity Dux]]"'s effect, then the effect is negated and your opponent takes no damage.**Likewise, if you activate or "[[Winged MinionDragunity Legionnaire]]"'s has its effect while resolve and it equips itself with a Level 3 or lower "[[Skill DrainDragunity]]" is active, "[[Winged Minion]]" is no longer on the field and its effect resolvesmonster. ** If you activate "[[Exiled Force]]"'s the effect while of "[[Skill Drain]]" is activethen applied, then "[[Exiled ForceDragunity Dux]]" is can no longer on the field and you can select and destroy 1 be equipped with a monster on by its own effect, so the field.**If you Tribute Level 3 or lower "[[Paladin of White DragonDragunity]]" monster equipped to activate its effect while "[[Skill Drain]]" is active, it is no longer on destroyed and sent to the field and you can Graveyard.<ref>[[Special Summon]] "[[Blue-Eyes White Dragonhttp://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=56753&event=FE0006 Konami FAQ]]".**: If you Tribute the effect of a card like "[[Great Dezard]]" while "[[Skill Drain]]Dragunity Dux" is activenegated, it then is no longer on the field and you can [[Special Summon]] "[[Fushioh Richie]]".equipped Dragon-Type monster destroyed?</ref>

* "'''[[Skill DrainCard Rulings:Earthbound Immortal|Earthbound Immortal]]" will negate Flip Effects, and you can chain ''': If the activation effect of "[[Skill DrainEarthbound Immortal Chacu Challhua]]" to the activation of a Flip Effect, but you cannot activate is negated by "[[Skill Drain]]" in the , then you still cannot Normal Summon a second "[[Phase#Damage Step|Damage StepEarthbound Immortal Chacu Challhua]] ". This is because it does not specifically modify the effect "''There can only be 1 face-up "[[ATKEarthbound Immortal]] or " monster on the field''" of the second "[[DEFEarthbound Immortal Chacu Challhua]], so you cannot chain " is still applied while the second "[[Skill DrainEarthbound Immortal Chacu Challhua]]" to a is in the hand.<ref>[[Flip Effecthttp://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=49453&event=FE0006 Konami FAQ]] that is activated because : Can a monster second "Earthbound Immortal Chacu Challhua" be Normal Summoned after "Skill Drain" was attacked while [[face-down]].activated?</ref>

* If you Flip Summon "'''[[Spear CretinCard Rulings:Mist Valley Falcon|Mist Valley Falcon]]" while "[[Skill Drain]]" is active, "[[Spear Cretin]]"'s effect is negated when it is sent to the [[Graveyard]] because it is a [[Flip Effect]] and '': ''See above; listed under "[[Skill DrainDark Elf]]" negates [[Flip Effect]]s.''

* '''[[Card Rulings:Guardian of Order|Guardian of Order]]''': Even if "[[Skill Drain]]" negates 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 "[[MultiRai-Trigger EffectJin]]s such as " or "[[Dark PaladinGuardian of Order]]" and in your hand will still be active, so you still cannot Normal Summon a second copy of "[[Ryu SenshiRai-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>

* While "'''[[Skill DrainCard Rulings:Infernity Archer|Infernity Archer]]''': Suppose that " is active you cannot [[TributeInfernity Archer]] a " attacks your opponent directly. If "[[face-upSkill Drain]] "is activated during the [[Kaiser Sea HorseBattle Step]], then " to [[Tribute SummonInfernity Archer]] " cannot attack directly and a [[LevelReplay]] 7 or higher occurs. If "[[Attribute#Light|LIGHTForbidden Chalice]] monster. However, you can " is activated during the [[TributeDamage Step]] , then a [[face-downReplay]] "does not occur, and you calculate damage from the direct attack normally.<ref>[[Kaiser Sea Horse]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>

* While '''[[Card Rulings:Malefic|Malefic]]''': If "[[Skill Drain]]" is active, negating the effect "''There can only be 1 face-up "[[Maintenance Costs|maintenance costsMalefic]]" are not negated (see monster on the Advanced Gameplay FAQ) so you still have to pay for field.''" of a monster like "[[The Unfriendly AmazonMalefic Blue-Eyes White Dragon]]", or "[[Armor ExeMalefic Red-Eyes B. Dragon]]", or "[[ArchfiendMalefic Stardust Dragon]]s, etc. However", all other costs are negated, so then you do not have to pay to attack with still cannot Special Summon a second "[[Dark ElfMalefic Blue-Eyes White Dragon]]" or ", since its effect is still active while it is in the hand.<ref>[[Jirai Gumo]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>

* Restrictions are also lifted, so '''[[Card Rulings:Malefic|Malefic]]''': Suppose you can attack 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 "[[Ultimate Obedient FiendSkill Drain]]" is active. During the [[End Phase]], even if you have other cards though the effect "''There can only be 1 face-up "[[Malefic]]" monster on the field.''" of the "[[Malefic Blue-Eyes White Dragon]]" on your side 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>

* '''[[Spirit MonstersCard Rulings:Malefic|Malefic]] are not returned to ''': If the owner's hand while 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 activealso 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>

* '''[[Toon MonstersCard Rulings:Malefic|Malefic]]' effects are '': If the effect of a monster like "[[Malefic Blue-Eyes White Dragon]]" or "[[Malefic Red-Eyes B. Dragon]]" or "[[Malefic Stardust Dragon]]" is negated while by an effect like "[[Skill Drain]]" is active and the or "[[Toon Monsters|Toon MonsterForbidden Chalice]] ", then its effect "''If there is no face-up Field Spell Card on the field, so they can attack the same turn they are Summoneddestroy this card.''" is also negated. Thus, you do not have to pay 500 "[[Life PointsMalefic Blue-Eyes White Dragon]] to attack with them, and they are not " won't be destroyed if "the [[Toon WorldField Spell Card]]" is removed from being face-up on the field.<ref>[[destroyed]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, but they cannot attack your opponent directly.then is it destroyed by its own effect if there is no longer a Field Card?</ref>

* "'''[[JinzoCard Rulings:Naturia Bamboo Shoot|Naturia Bamboo Shoot]]" cannot negate Trap Cards while ''': Suppose that you activate "[[Skill Drain]]" is already active, because while "[[Skill DrainNaturia Bamboo Shoot]]" is negating "Jinzo"'s effecton the field. But if When "[[JinzoSkill Drain]]" is already on removed from the field, you cannot activate re-apply the effect of "[[Skill DrainNaturia Bamboo Shoot]]" because ".<ref>[[Jinzo]http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=57622&event=FE0006 Konami OCG FAQ]: If "Skill Drain"'s stops being applied, then do you apply the effect prevents you from doing so.of "Naturia Bamboo Shoot" a second time?</ref>

* When a monster's ''[[ATKCard Rulings:Naturia Spiderfang|Naturia Spiderfang]] or [[DEF]] are changed by its own effect, like ''': "[[Slate WarriorNaturia Spiderfang]]" or "[[Berserk Dragon]]", and "[[Skill Drain]]" is activated, that monster's can attack if its effect is being negated and the [[ATK]]/[[DEF]] are returned to normal. Even if by "[[Skill Drain]]" is then destroyed, regardless of whether or not the opponent activated the old adjustment to effect of a Spell/Trap/Effect Monster Card during this turn.<ref>[[ATK]]http://yugioh.faq.konami.jp/[[DEFEokpControl?&lang=en&tid=47541&event=FE0006 Konami FAQ]] does not come back. Any bonuses or penalties are lost when : When "[[Skill Drain]]" effect is appliedhas been activated, and you have to start over from can "Naturia Spiderfang" attack even when the beginning.opponent has not activated a card?</ref>

* If your opponent uses "'''[[Bazoo the Soul-EaterCard Rulings:Panther Warrior|Panther Warrior]]"'s effect to increase its [[ATK]], and you use "[[Skill Drain]]", "[[Bazoo the Soul-Eater]]"'s [[ATK]] returns to normal, even if ': ''See above; listed under "[[Skill DrainDark Elf]]" is destroyed after resolving. If "[[Skill Drain]]" is negating "[[Bazoo the Soul-Eater]]"'s effect, you can still pay the cost and remove monsters in your Graveyard from play, but "[[Bazoo the Soul-Eater]]"'s [[ATK]] will not increase.

* "'''[[Goblin Attack ForceCard Rulings:Rai-Jin|Rai-Jin]]" and ''': ''See above; listed under "[[Spear DragonGuardian of Order]]" do not change their battle position after attacking while "[[Skill Drain]]" is active. If "[[Goblin Attack Force]]" attacks and changes battle position, then on your next turn you activate "[[Skill Drain]]", you can change "[[Goblin Attack Force]]" back to [[Battle Position#Attack Position|Attack Position]] because its effect that prevents this is negated.''

* Monsters equipped to "'''[[RelinquishedCard Rulings:Road Synchron|Road Synchron]]" while ''': If "[[Skill DrainRoad Synchron]]" is active are negated has its Level increased by 1 by its effect and destroyed because later "[[RelinquishedSkill Drain]]" no longer has an effect that allows it to be equipped with a monsteris activated, and then the Level of "[[RelinquishedRoad Synchron]]"'s [[ATK]] and [[DEF]] are returned returns to normal4.<ref name="RoaSyn-SkiDra"/>

* Monsters that can hold '''[[Spell CountersCard Rulings:Road Synchron|Road Synchron]], like ''': If "[[Skilled Dark MagicianSkill Drain]]"is active, no longer have that then the effect while "''If this card is used for the [[Skill DrainSynchro Summon]]of a monster other than " is active, so they cannot gain more [[Counter#Spell Counter|Spell CountersRoad Warrior]] and all ", its Level is decreased by 2.''" of "[[Counter#Spell Counter|Spell CountersRoad Synchron]] already placed on them are removed" 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>

* If a face-down "'''[[Kiseitai:Card Rulings:Sergeant Electro|Sergeant Electro]]" is attacked while "[[Skill Drain]]" is active, ''': If the effect of "[[KiseitaiSergeant Electro]]" is negated, damage calculation is performed, and "Kiseitai" will not equip itself to the attacking monster. But if by an effect like "[[KiseitaiSkill Drain]]" is already an , then the selected Spell or Trap Card can now be [[Equip Spell Cards|Equip Spell Cardactivate]]d. Also, and if the effect of "[[Skill Drain]]" is activatedno longer applied, then the card selected by "[[KiseitaiSergeant Electro]]" is unaffected because it is can no longer an be [[Effect Monsters|Effect Monsteractivate]]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>

* The effects of "'''[[Zombyra the DarkCard Rulings:Spell Counter|Spell Counter]]" are negated while ''':If an effect like "[[Skill Drain]]" is active, so negates the effect of a card like "[[Zombyra Breaker the DarkMagical Warrior]]" can attack your opponent directly, and its [[ATK]] is not decreased because of its effect. If or "[[Skill DrainRoyal Magical Library]]" is destroyed, "[[Zombyra then all Spell Counters are removed from the Dark]]"'s monster.<ref>[[ATKhttp://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=54681&event=FE0006 Konami FAQ]] is not changed.: What happens if you negate the effect of a card that has Spell Counters on it?</ref>

* The '''[[ATKCard Rulings:Tuningware|Tuningware]] and [[DEF]] of ''': If "[[Gradius' OptionSkill Drain]]"is active, you cannot use the effect of "[[ATKTuningware]] of "to treat it as a Level 2 monster for a Synchro Summon.<ref>[[Maju Garzett]http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=45989&event=FE0006 Konami FAQ]: If the effect of ", and similar monsters is 0 while "[[Skill Drain]]" is activeapplied, and is not restored even if can you use "[[Skill Drain]]Tuningware" is destroyed.as a Level 2 monster for a Synchro Summon?</ref>

* If '''[[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 "[[Skill DrainUltimate Obedient Fiend]]" is activated after will be negated by "[[Hayabusa KnightSkill Drain]]"'s first attack, so that "[[Hayabusa KnightUltimate Obedient Fiend]]" does not get its second can attackwhile you have one or more cards in your hand.<ref name="SkiDra-Attacking"/>

===Miscellaneous===* You can '''[[Special SummonCard Rulings:Djinn of Rituals|Djinn of Rituals]] ''': The effect of "[[GilasaurusDjinn Releaser of Rituals]]" while which prevents your opponent from Special Summoning and the effect of "[[Skill DrainDjinn Presider of Rituals]]" which lets you draw when an opponent's monster is activedestroyed are not treated as effects of the [[Ritual Monster]] which was [[Ritual Summon]]ed. Thus, but its if the effect of the [[Ritual Monster]] is negated so by an effect like "[[Skill Drain]]" or "[[Forbidden Chalice]]", then the effect of "[[Djinn Releaser of Rituals]]" which prevents your opponent does not get to 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 "[[Special SummonDjinn Releaser of Rituals]]." which is applied to a Ritual Monster?</ref>

* Do not roll dice for '''[[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 "[[ArchfiendObelisk the Tormentor]]s while " will not be sent to the Graveyard during the End Phase. However, if "[[Skill Drain]]" is activelater 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>

* A '''[[Union MonsterCard Rulings:Supervise|Supervise]] that attached itself to another monster before ''': If "[[Skill Drain]]" became active is unaffected 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 activeremoved from the field, then you can activate 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 Union Gemini Monster's effect to attach it to another monster, but nothing happens and it remains which is not being treated as a monster.Normal Monster because of "Skill Drain"?</ref>

* "Skill Drain" will not affect lingering effects or conditions that are left over from a previous effect. For example, if you '''[[Special SummonCard Rulings:Trap Eater|Trap Eater]] ''': If a card like "[[Fusion MonsterVanity's Fiend]] with " or "[[Summoner of IllusionsFossil Dyna Pachycephalo]]", and then has its effect negated by "[[Skill Drain]]" is activated afterwards, the then you still can send "[[Fusion Monsters|Fusion MonsterSkill Drain]] is still destroyed in " to the Graveyard to Special Summon "[[Phase#End Phase|End PhaseTrap Eater]]". If you <ref>[[Special Summon]http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=46582&event=FE0006 Konami FAQ] a Fusion Monster with : Can "[[Magical Scientist]]Trap Eater", and then be Special Summoned by sending "[[Skill Drain]]" is activated, to the [[Fusion Monsters|Fusion Monster]] cannot attack your opponentGraveyard while "Vanity's [[Life Points]] directly, and Fiend" is returned to on the [[Fusion Deck]] at the end of the turn.field?</ref>

* When '''[[Jowls of Dark DemiseCard Rulings:Triple Star Trion|Triple Star Trion]]'s effect is activated and resolves, and then '': If "[[Skill Drain]]" is activated afterwards, it has no effect on active and you send "[[Jowls of Dark DemiseTriple Star Trion]]"'s effectto the Graveyard as a Tribute for a Tribute Summon or Set, so [[control]] of then during the monster does not change until End Phase you can activate its effect which Special Summons it is returned to from the original Graveyard.<ref>[[controllerhttp://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=63758&event=FE0006 Konami OCG FAQ]] at the end of the turn.: 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===* If '''[[:Card Rulings:Inverse Universe|Inverse Universe]]''': When "[[Hino-Kagu-TsuchiInverse Universe]]"resolves, its effect replaces the monster's effect 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 activated, and then one Spell Counter on "[[Breaker the Magical Warrior]]" (1900 ATK / 1000 DEF). After "[[Skill DrainInverse Universe]]" is activated laterresolves, "[[Hino-Kagu-TsuchiBreaker the Magical Warrior]]"'s effect is not negated and the opponent must discard hiswill have 1000 ATK /her hand during their next Draw Phase1900 DEF. But if Afterwards, the ATK of "Skill Drain[[Breaker the Magical Warrior]]" is active will remain at 1000 ATK / 1900 DEF, even if Spell Counters are removed from or added to "[[Breaker the time Magical Warrior]]". If "[[Hino-Kagu-TsuchiSkill Drain]]"'s effect activatesis later activated, then "[[Breaker the effect is negatedMagical Warrior]]" will still remain at 1000 ATK / 1900 DEF.<ref name="InvUni-ChangingATKDEF"/>

==Previously Official Rulings=={{Previously Official Rulings |UDE's Rulings =* Conditions for Summoning monsters is not negated by "Paying 1000 [[Skill DrainLife Points]]", so you still must remove 1 [[Attribute#Dark|DARK]] and 1 is a [[Attribute#Light|LIGHTcost]] monster to [[Special Summon]] "[[Chaos Emperor Dragon - Envoy of the End]], and you cannot Normal Summon or Flip Summon "[[Terrorking Archfiend]]" if there are no [[Archfiend]]s on the field.

===On Negating Activated Effects===* You can have 2 "[[Gravekeeper's ChiefSkill Drain]]s" on will negate Flip Effects, and you can chain the field while activation of "[[Skill Drain]]" is activeto the activation of a Flip Effect, but if you cannot activate "[[Skill Drain]]" is destroyedin the [[Damage Step]] because it does not specifically modify [[ATK]] or [[DEF]], select 1 of the so you cannot chain "[[Gravekeeper's ChiefSkill Drain]]s" and destroy itto a [[Flip Effect]] that is activated because a monster was attacked while [[face-down]].

==Mentions in Other Rulings==* '''[[Card Rulings:Alien Hypno|Alien Hypno]]''': If you take control of your opponent’s monster with “Flip Summon "[[Alien HypnoSpear Cretin]]” and “" while "[[Skill Drain]]” " is activatedactive, control of the selected monster "[[Spear Cretin]]"'s effect is negated when it is returned sent to the opponent. If “[[Graveyard]] because it is a [[Flip Effect]] and "[[Skill Drain]]” is later " negates [[negateFlip Effect]]d or removed from the field, the selected monster is returned to your controls.

* '''"[[Card Rulings:Amplifier|AmplifierSkill Drain]]:''' You cannot activate a card that would cause an infinite loop because its effect cannot resolve completely...Example #2: you control "negates [[JinzoQuick Effect]]" equipped with s such as "[[AmplifierDark Paladin]]" and "[[Skill Drain]]". Your opponent cannot activate "[[Royal DecreeRyu Senshi]]".

* '''[[Card Rulings:Ancient Lamp|Ancient LampSpirit monster]]:s are not returned to the owner''' If s hand while "[[Skill Drain]]" is active on the field, the effects of "[[Ancient Lamp]]" will be negated. (Attacks will not be re-directed.)

* '''If a face-down "{{sic|[[Card Rulings:AnteatereatingantKiseitai|AnteatereatingantKisetai]]:''' If you activate |"}} is attacked while "[[Skill Drain]]" is active, the effect of "{{sic|Kisetai|"}} is negated, damage calculation is performed, and "{{sic|Kisetai|"}} will not equip itself to the attacking monster. But if "{{sic|Kisetai|"}} is already an [[AnteatereatingantEquip Spell Card]]", then activate and "[[Skill Drain]]"is activated, "Anteatereatingant" still can't attack that turn. (Even if {{sic|Kisetai|"}} is unaffected because it is no longer an [[Skill DrainEffect Monster]]" was chained to the effect.)

* '''A [[Card Rulings:Armor Exe|Armor ExeUnion Monster]]:''' If that attached itself to another monster before "[[Skill Drain]]" is became active and "[[Armor Exe]]" is Summoned, or if unaffected by "[[Skill Drain]]" is activated after . If "[[Armor ExeSkill Drain]]" is Summonedactive, you can activate a Union Monster's effect to attach it to another monster, in both cases "[[Armor Exe]]" CAN attack the same turn but nothing happens and it was Summonedremains a monster.

* '''[[Card Rulings:Atomic FireflyArchfiend|Atomic FireflyArchfiend]]:''' "[[Atomic Firefly]]"'s : The effect activates in the [[Graveyard]] when "[[Atomic Firefly]]" is sent to the [[Graveyard]] at the end of the attack, so rolling a die for an Archfiend will be negated by "[[Skill Drain]]" will not negate its effect.

* '''[[Card Rulings:Behemoth Destiny HERO - Captain Tenacious|Destiny HERO - Captain Tenacious]]:''' If "[[Skill Drain]]" is active during the King of All Animals[[Standby Phase]] when this effect resolves, this effect will be negated, even if "[[Skill Drain]]" was activated after your {{sic|[[Destiny HERO|Behemoth the King of All AnimalsDestiny Hero]]"}} monster was destroyed. * '''[[Card Rulings:Light and Darkness Dragon|Light and Darkness Dragon]]''' : If you "[[Light and Darkness Dragon]]" is Summoned or flipped [[face-up]] while "[[Skill Drain]]" is active, "[[Tribute SummonLight 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 [[Behemoth Effect Monster]] is activated, but the King effect of All Animals"[[Light and Darkness Dragon]]" with 1 will be [[negate]]d so the activation of the [[Spell Card|Spell]], [[TributeTrap Card|Trap]], or effect of an [[Effect Monster]] will not be [[negate]]d and "[[Light and Darkness Dragon]]" will not lose [[ATK]] or [[DEF]]. Its third effect that activates when it is destroyed and sent to the Graveyard will not be [[negate]]d because this effect activates and [[resolve]]s while "[[Light and Darkness Dragon]]" is not on the field. * '''[[Card Rulings: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 activatedactive during the [[End Phase]], it will negate the effects of a "Majestic 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]] "[[Kaiser Sea Horse|Kaiser Seahorse]]" to [[Tribute Summon]] a [[Level]] 7 or higher [[LIGHT]] monster. However, its you can [[Tribute]] a [ATK[face-down]] becomes 2700 points"Kaiser Seahorse". Even  * Restrictions are also lifted, so you can attack with "[[Ultimate Obedient Fiend]]" even if you have other cards on your side of the field. * [[Toon Monster]]s' effects are negated while "[[Skill Drain]]" is destroyedactive 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 [[ATKLife Points]] to attack with them, and they are not destroyed if "[[Toon World]]" is [[destroy]] remains at 2700 pointsed, but they cannot attack your opponent directly.

* '''"[[Card Rulings:Berserk Dragon|Berserk DragonJinzo]]:''' While " cannot negate Trap Cards while "[[Skill Drain]]" is already active, because "[[Berserk DragonSkill Drain]]" is negating "Jinzo"'s effects are negatedeffect. But if "[[Berserk DragonJinzo]]"'s effect doesn't count turnsis already on the field, so if you cannot activate "[[Skill Drain]]" was active for 4 turns, and is then [[destroyed]], do not reduce because "[[Berserk DragonJinzo]]"'s [[ATK]] for those 4 turnseffect prevents you from doing so.

* '''"[[Card Rulings:Big Shield Gardna|Big Shield GardnaGoblin Attack Force]]:''' " and "[[Skill DrainSpear Dragon]]" only negates the effects of monsters that are do not change their battle position after attacking while "[[face-up]] on the field, so a [[face-downSkill Drain]] " is active. If "[[Big Shield GardnaGoblin Attack Force]]" may still negate a [[Spell Cards|Spell Card]] that targets it while attacks and changes battle position, then on your next turn you activate "[[Skill Drain]]" is active on the field. It will still be flipped to , you can change "[[face-upGoblin Attack Force]] " back to [[Battle Position#Defense Position|Defense Attack Position]], and now because its effect that changes its battle position when it prevents this is attacked will be negated.

* '''Monsters equipped to "[[Card Rulings:Black Luster Soldier - Envoy of the Beginning|Black Luster Soldier - Envoy of the BeginningRelinquished]]:''' If you activate " while "[[Black Luster Soldier - Envoy of the BeginningSkill Drain]]"'s first effect, is active are negated and destroyed because "[[Skill DrainRelinquished]]" is chained to no longer has an effect that allows it to negate the effectbe equipped with a monster, or if and "[[Skill DrainRelinquished]]" was active before you activated the effect, you cannot attack with "'s [[Black Luster Soldier - Envoy of the BeginningATK]]" that turn because the activation of the effect was not negated and the condition that is included will not be negated by "[[Skill DrainDEF]]"are returned to normal.

* '''Monsters that can hold [[Card Rulings:Blue Thunder T-45|Blue Thunder T-45Spell Counter]]''': Even while s, like "[[Skill DrainSkilled Dark Magician]]" is active, the no longer have that effect while "[[Thunder Option TokenSkill Drain]]" is active, so they cannot be [[Tribute]]d for a [[Tribute Summon]]gain more Spell Counters and all Spell Counters already placed on them are removed.

* '''If "[[Card Rulings:Burning Algae|Burning AlgaeSkill Drain]]:''' " is activated after "[[Burning AlgaeHayabusa Knight]]"'s effect cannot be negated by first attack, "[[Skill DrainHayabusa Knight]]"does not get its second attack.

* '''Do not roll dice for [[Card Rulings:Card Trooper|Card TrooperArchfiend]]''': If s while "[[Skill Drain]]" is activated after "[[Card Trooper]]'s" first effect has been activated, the increase in ATK will be negated. Even if "[[Skill Drain]]" leaves play, the increase in ATK will not returnactive.

* '''You can have 2 "[[Card Rulings:Chainsaw Insect|Chainsaw InsectGravekeeper's Chief]]:''' If s" on the field while "[[Skill Drain]]" is active, your opponent will not get to draw, unless but if "[[Chainsaw InsectSkill Drain]]" is destroyed in the battle, then its effect will activate in select 1 of the "[[GraveyardGravekeeper's Chief]] s" and your opponent will draw 1 carddestroy it.

* '''[[Card Rulings:Chiron the MageAlien Hypno|Chiron the MageAlien Hypno]]:''' The restriction that : If you can only activate this effect once per turn take control of your opponent's monster with "[[Alien Hypno]]" and "[[Skill Drain]]" is a conditionactivated, not an effectcontrol of the selected monster is returned to the opponent. So if 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 turnselected monster is returned to your control.

* '''[[Card Rulings:Combo FighterArcana Force EX - The Light Ruler|Combo FighterArcana Force Ex - The Light Ruler]] / [[Card Rulings:Combo Master|Combo Master]]:''' : If a chain occurred, then "[[Skill Drain]]" was is activatedafter {{sic|"[[Arcana Force EX - The Light Ruler]]"}} is Special Summoned, but then the effect of {{sic|"[[Arcana Force EX - The Light Ruler]]"}} is negated. If "[[Skill Drain]]" was destroyedis later negated or removed from the field, this monster can attack twice. (This monster's perception that a the effect of {{sic|"[[chainArcana Force EX - The Light Ruler]] occurred "}} is not resetreapplied.)

* '''[[Card Rulings:D.D. SurvivorArmor Exe|D.D. SurvivorArmor Exe]]:''' If "[[Skill Drain]]" is active when and "[[D.D. SurvivorArmor Exe]]" is removed from playSummoned, it or if "[[Skill Drain]]" is still activated after "[[Special SummonArmor Exe]]ed because its effect activates during the " is Summoned, in both cases "[[Phase#End Phase|End PhaseArmor Exe]] while " CAN attack the same turn it is removed from playwas Summoned.

* '''[[Card Rulings:Darkblaze DragonCrystal Beast|Darkblaze DragonCrystal Beast]]''': If While "[[Skill Drain]]" is [[face-up]] active on the field when "[[Darkblaze Dragon]]" is [[Special Summon]]ed from the [[Graveyard]], or if a "[[Skill DrainCrystal Beast]]" monster that is activated after "[[Darkblaze Dragon]]" is [[Special Summon]]ed from destroyed will be sent to the [[Graveyard]], "[[Skill Drain]]" will [[negate]] "[[Darkblaze Dragon|Darkblaze Dragon's]]" effect that doubles its original [[ATK]] and [[DEF]] to create a new current [[ATK]] and [[DEF]]. If "[[Skill Drain]]" is later [[negate]]d or removed from cannot be put in the field, the original [[ATK]] and [[DEFSpell & Trap Card Zone]] are not doubled again.

* '''[[Card Rulings:Destiny Hero - Captain TenaciousDoom Shaman|Destiny Hero - Captain TenaciousDoom Shaman]]:''' : If "[[Skill DrainDoom Shaman]]" is active during leaves the [[Phase#Standby Phase|Standby Phase]] when this field while its effect resolves, this effect will be is negated, even if by "[[Skill Drain]]" was activated after your "[[Destiny Heroes|Destiny Hero]]" monster was , etc., monsters Special Summoned by its effect will not be destroyed.

* '''[[Card Rulings:Elemental Hero HERO Neo Bubbleman|Elemental Hero HERO Neo Bubbleman]]:''' If "[[Skill Drain]]" is active, this card is no longer treated as {{sic|"[[Elemental Hero Bubbleman]]"}}.

* '''[[Card Rulings:Elemental Hero HERO Wildheart|Elemental Hero HERO Wildheart]]:''' For {{sic|"[[Elemental Hero Wildheart]]" }} vs. "[[Skill Drain]]", whichever effect was active on the field first takes precedence. So if "[[Elemental Hero Wildheart]]" is on the field and "[[Skill Drain]]" is activated, his effect is not negated. But if "[[Skill Drain]]" is on the field and {{sic|"[[Elemental Hero Wildheart]]" }} is Summoned, his effect is negated by "[[Skill Drain]]" as long as "[[Skill Drain]]" remains on the field.

* '''[[Card Rulings:Exodia NecrossFox Fire|Exodia NecrossFox Fire]]:''' While "[[Skill Drain]]" is active, "[[Exodia Necross]]"' [[ATK]] is returned to its original 1800 points. Even if "you can [[Skill DrainTribute]]" then leaves play, "[[Exodia NecrossFox Fire]]" does no regain any [[ATK]] increases it had because of its effect, but it will begin to accumulate for a [[ATKTribute Summon]] points again.

* '''[[Card Rulings:Exodia NecrossGladiator Beast Darius|Exodia NecrossGladiator 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 "[[Exodia NecrossMataza 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. * '''[[Card Rulings:Morphtronic Celfon|Morphtronic Celfon]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Celfon]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. * '''[[Card Rulings:Morphtronic Clocken|Morphtronic Clocken]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Radion]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. * '''[[Card Rulings:Morphtronic Datatron|Morphtronic Datatron]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Datatron]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. * '''[[Card Rulings:Morphtronic Magnen|Morphtronic Magnen]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Magnen]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. * '''[[Card Rulings:Morphtronic Radion|Morphtronic Radion]]''': While "[[Skill Drain]]" is active, the [[Attack Position]] and [[Defense Position]] effects of "[[Morphtronic Radion]]" cannot be activated, because the "While in Attack Position" and "While in Defense Position" effects are negated. * '''[[Card Rulings:Neo-Spacian Glow Moss|Neo-Spacian Glow Moss]]:''' If "[[Neo-Spacian Glow Moss]]" attacks directly with its effect and "[[Skill Drain]]" is activated in response, "[[Neo-Spacian Glow Moss]]" can no longer attack directly and (another) replay will occur. * '''[[Card Rulings:Phantom Dragon|Phantom Dragon]]''': If you have 1 face-up "[[Phantom Dragon]]" while "[[Skill Drain]]" is active, when your opponent [[Special Summon]]s a monster you can Special Summon another "[[Phantom Dragon]]" into one of the Monster Card Zones that was made unusable by the negated "[[Phantom Dragon]]". * '''[[Card Rulings:Proto-Cyber Dragon|Proto-Cyber Dragon]]:''' If "[[Skill Drain]]" is active, this card is no longer treated as "[[Cyber Dragon]]". You could not use it for "[[Attack Reflector Unit]]", etc. * '''[[Card Rulings:Silent Insect|Silent Insect]]:''' If "[[Silent Insect]]" is [[face-up]] on the field, you can activate "Skill Drain" by paying 1000 Life Points, but its effect will be negated. If "[[Skill Drain]]" is active on the field when you Normal or Flip Summon "[[Silent Insect]]", its effects are negated and it will remain in [[Attack Position]]. * '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' If "[[Skill Drain]]" is active, "[[Spirit Reaper]]" can be equiped with Equip Cards, but if Exodia pieces are "[[Skill Drain]]" is later removed from the field "[[Spirit Reaper]]" will be [[destroy]]ed. * '''[[Card Rulings:Spirit Reaper|Spirit Reaper]]:''' "[[Spirit Reaper]]" can be [[destroy]]ed as a result of battle while "[[Skill Drain]]" is active. * '''[[Card Rulings:The Unhappy Girl|The Unhappy Girl]]:''' If "[[The Unhappy Girl]]" applies her effect to a monster, and "[[Skill Drain]]" is then activated and resolves, and "[[Skill Drain]]" is then [[destroy]]ed afterwards, then "[[The Unhappy Girl]]"'s effect is re-applied and the monster that battled with her before "[[Skill Drain]]" was activated cannot attack or change [[battle position]] once again. * '''[[Card Rulings:Vennominaga the Deity of Poisonous Snakes|Vennominaga the Deity of Poisonous Snakes]]:''' If "[[Skill Drain]]" is already active on the field when Vennominaga is Special Summoned, the effect of Vennominaga is negated. ===If the Monster is Not Face-Up===* "[[Skill Drain]]" will not negate an [[Ignition Effect]] or [[Trigger Effect]] if the [[Effect Monster]] is not [[face-up]] on the field when the effect resolves. * "[[Skill Drain]]" does not stop you from activating [[Ignition Effect]]s, but it does negate their effects as long as the [[Effect Monster]] remains on the field.** If you Tribute "[[Cannon Soldier]]" to itself while "[[Skill Drain]]" is active, "[[Cannon Soldier]]"'s effect is not negated because "[[Cannon Soldier]]" is in the [[Graveyard]], but if you [[Tribute]] a different monster for "[[Cannon Soldier]]"'s effect, then the effect is negated and your opponent takes no damage.** Likewise, if you activate "[[Winged Minion]]"'s effect while "[[Skill Drain]]" is active, "[[Winged Minion]]" is no longer on the field and its effect resolves.** If you activate "[[Exiled Force]]"'s effect while "[[Skill Drain]]" is active, "[[Exiled Force]]" is no longer on the field and you can select and destroy 1 monster on the field.** If you Tribute "[[Paladin of White Dragon]]" to activate its effect while "[[Skill Drain]]" is active, it is no longer on the field and you can [[Special Summon]] "[[Blue-Eyes White Dragon]]".** If you Tribute "[[Great Dezard]]" while "[[Skill Drain]]" is active, it is no longer on the field and you can [[Special Summon]] "[[Fushioh Richie]]". * '''[[Card Rulings:Big Shield Gardna|Big Shield Gardna]]:''' "[[Skill Drain]]" only negates the effects of monsters that are [[face-up]] on the field, so a [[face-down]] "[[Big Shield Gardna]]" may still negate a [[Spell Card]] that targets it while "[[Skill Drain]]" is active on the field. It will still be flipped to [[face-up]] [[Defense Position]], and now its effect that changes its battle position when it is attacked will be destroyed negated. * '''[[Card Rulings:Doomcaliber Knight|Doomcaliber Knight]]''': If "[[Doomcaliber Knight]]'s" effect activates while "[[Skill Drain]]" is face-up on the field, its effect is not negated because it is not on the field when its effect [[resolve]]s. * '''[[Card Rulings: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. ===On Removing Lingering Effects which Modify ATK/DEF===* When a monster's [[ATK]] or [[DEF]] are changed by its own effect, like "[[Slate Warrior]]" or "[[Berserk Dragon]]", and "[[Skill Drain]]" is activated, that monster's effect of is negated and the [[ATK]]/[[DEF]] are returned to normal. Even if "[[Skill Drain]]" is then destroyed, the old adjustment to [[ATK]]/[[DEF]] does not come back. Any bonuses or penalties are lost when "[[Skill Drain]]" disappearseffect is applied, and you have to start over from the beginning.

* '''If your opponent uses "[[Card Rulings:Felgrand Dragon|Felgrand DragonBazoo the Soul-Eater]]"''': If "s effect to increase its [[Skill DrainATK]], and you use " is [[face-upSkill Drain]] on the field when ", "[[Felgrand DragonBazoo the Soul-Eater]]" is 's [[Special SummonATK]]edreturns to normal, or even if "[[Skill Drain]]" is activated destroyed after resolving. If "[[Felgrand DragonSkill Drain]]" is Special Summoned, negating "[[Skill Drain]]" will [[negateBazoo the Soul-Eater]] "[[Felgrand Dragon|Felgrand Dragon's]]" [[ATK]] gaining effect. If , you can still pay the cost and remove monsters in your Graveyard from play, but "[[Skill DrainBazoo the Soul-Eater]]" is later negated or removed from the field, the 's [[ATK]] gain is will not reappliedincrease.

* '''The effects of "[[Card Rulings:Fox Fire|Fox FireZombyra the Dark]]:''' While " are negated while "[[Skill Drain]]" is active, you so "[[Zombyra the Dark]]" can attack your opponent directly, and its [[ATK]] is not decreased because of its effect. If "[[TributeSkill Drain]] " is destroyed, "[[Fox FireZombyra the Dark]]" for a 's [[Tribute SummonATK]]is not changed.

* '''The [[Card Rulings:Fusilier Dragon, the Dual-Mode Beast|Fusilier Dragon, the Dual-Mode BeastATK]]:''' If you Summoned this card without and [[TributeDEF]], and then of "[[Skill DrainGradius' Option]]" is later activated, the [[ATK]] and of "[[DEFMaju Garzett]] are no longer halved. If ", and similar monsters is 0 while "[[Skill Drain]]" is later destroyedactive, the [[ATK]] and is not restored even if "[[DEFSkill Drain]] still remain 2800/2000. You can Normal Summon Fusilier Dragon without Tributing monsters while Skill Drain " is face-up on the field as it only targets Effect monsters on the field. Skill Drain will then negate Fusilier Dragon's ATK and DEF reducing effect, increasing it to 2800/2000destroyed.

* '''[[Card Rulings:Gear Golem Behemoth the Moving FortressKing of All Animals|Gear Golem Behemoth the Moving FortressKing of All Animals]]:''' If you activate & resolve this card's effect [[Tribute Summon]] "[[Behemoth the King of All Animals]]" with 1 [[Tribute]], and then "[[Skill Drain]]" is activated, you can still attack directly because "its [[Gear Golem the Moving FortressATK]]"'s effect is already applied and it's still applied even becomes 2700 points. Even if "[[Skill Drain]]" is activateddestroyed, the [[ATK]] remains at 2700 points.

* '''[[Card Rulings:Giant KozakyBerserk Dragon|Giant KozakyBerserk Dragon]]:''' The effect of While "[[Giant KozakySkill Drain]]" that inflicts damage to the [[controller]] activates in the [[Graveyard]] or the "removed zone"is active, wherever "[[Giant KozakyBerserk Dragon]]" goes to after being [[destroyed]]'s effects are negated. But "[[The End of AnubisBerserk Dragon]]" will negate the 's effect of doesn't count turns, so if "[[Giant KozakySkill Drain]]" if it was active for 4 turns, and is then [[destroy]destroye]d and sent to the Graveyarded, but "[[Banisher of the Light]]" will do not (because reduce "[[Giant KozakyBerserk Dragon]]" does not have to be "[[destroyed]] and sent to the [[Graveyard]]"). Nor will "[[Skill Drain]]" negate the damage if "[[Giant Kozaky]]" is 's [[destroyedATK]]for those 4 turns.

* '''[[Card Rulings:Gladiator Beast DariusCard Trooper|Gladiator Beast DariusCard Trooper]]''': While If "[[Skill Drain]]" is active, if activated after "Gladiator Beast Darius[[Card Trooper]]'s" is removed from the fieldfirst effect has been activated, the Special Summoned "Gladiator Beast" monster increase in ATK will remain on the fieldbe negated. If the Special Summoned Even if "Gladiator Beast[[Skill Drain]]" monster attacks or is attacked, and it is returned to the Deck to activate its effectleaves play, the effect increase in ATK will not be negated because "Gladiator Beast Darius'" effects are being negated by "Skill Drain"return.

* '''[[Card Rulings:Gladiator Beast DimacariDarkblaze Dragon|Gladiator Beast DimacariDarkblaze Dragon]]''': If "[[Gladiator Beast DimacariSkill Drain]]" is [[face-up]] on the field when "[[Darkblaze Dragon]]" is [[Special Summon]]ed by from the effect of a [[Graveyard]], or if "[[Skill Drain]]" is activated after "[[Gladiator Beasts|Gladiator BeastDarkblaze Dragon]]" monster, it can attack twice during is [[Special Summon]]ed from the [[Battle PhaseGraveyard]]. If , "[[Skill Drain]]" is later activated, this effect is will [[negate]]d and "[[Gladiator Beast DimacariDarkblaze Dragon]]'s" will no longer be able effect that doubles its original [[ATK]] and [[DEF]] to attack twice with its effectcreate a new current [[ATK]] and [[DEF]]. Even if If "[[Skill Drain]]" is later [[negate]]d or removed from the field, "the original [[ATK]] and [[Gladiator Beast Dimacari|Gladiator Beast Dimacari'sDEF]]" effect to attack twice during the Battle Phase will are not be reapplieddoubled again.

* '''[[Card Rulings:Gladiator Beast HoplomusExodia Necross|Gladiator Beast HoplomusExodia Necross]]:''': If While "[[Gladiator Beast HoplomusSkill Drain]]" is active, "[[Special SummonExodia Necross]]ed by the effect of a "' [[Gladiator Beasts|Gladiator BeastATK]]" monster, is returned to its original [[DEF]] becomes 24001800 points. If Even if "[[Skill Drain]]" is later activatedthen leaves play, this effect is negated and "[[Gladiator Beast HoplomusExodia Necross]]" does no{{sic}} regain any [[Original ATK and DEF|original DEF]] increases it had because of its effect, but it will return begin to 2100. Even if "accumulate [[Skill Drain]]" is later negated or removed from the field, the original [[DEFATK]] of "[[Gladiator Beast Hoplomus]]" will remain at 2100points again.

* '''[[Card Rulings:Gladiator Beast LaquariExodia Necross|Gladiator Beast LaquariExodia Necross]]:''': If "[[Gladiator Beast Laquari]]" is Special Summoned by the effect of a "[[Gladiator Beasts|Gladiator Beast]]" monster, its Original [[ATK]] and DEF|original ATK]] becomes 2100. If While "[[Skill Drain]]" is later activatedactive, this effect is [[negate]]d and "[[Gladiator Beast Laquari|Gladiator Beast Laquari'sExodia Necross]]" original [[ATK]] will return to 1800. Even is not destroyed if "[[Skill Drain]]" is later [[negate]]d or Exodia pieces are removed from the fieldGraveyard, but it will be destroyed if the original [[ATK]] effect of "[[Gladiator Beast LaquariSkill Drain]]" will remain at 1800disappears.

* '''[[Card Rulings:Gora Turtle of IllusionFelgrand Dragon|Gora Turtle of IllusionFelgrand Dragon]]:''' ...: If "[[Skill Drain]]" is [[face-up]] on the field when "[[Felgrand Dragon]]" is [[Special Summon]]ed, or if "[[Skill Drain]]" is activatedafter "[[Felgrand Dragon]]" is Special Summoned, then "[[Gora Turtle of IllusionSkill Drain]]" will [[negate]]"[[Felgrand Dragon]]'s " [[ATK]] gaining effect . If "[[Skill Drain]]" is later negatedor removed from the field, and "the [[Snatch StealATK]]"'s effects will resolve properlygain is not reapplied.

* '''[[Card Rulings:Legendary FiendFusilier Dragon, the Dual-Mode Beast|Legendary FiendFusilier Dragon, the Dual-Mode Beast]]:''': While If you Summoned this card without [[Tribute]], and then "[[Skill Drain]]" is activelater activated, the [[ATK gain disappears]] and [[DEF]] are no longer halved. When If "[[Skill Drain]]" is later destroyed, the [[ATK]] and [[DEF]] still remain 2800/2000. You can Normal Summon Fusilier Dragon without Tributing monsters while Skill Drain is face-up on the field as it only targets Effect Monsters on the field. Skill Drain will then negateFusilier Dragon's ATK and DEF reducing effect, increasing it to 2800/2000. * '''[[Card Rulings:Gigantic Cephalotus|Gigantic Cephalotus]]d :''' If "[[Skill Drain]]" is active, "[[Gigantic Cephalotus]]" loses any ATK gained by its effect. The ATK is not regained when "[[Skill Drain]]" is negated or removed from the field, the ATK gain is not reapplied.

* '''[[Card Rulings:Light and Darkness DragonGladiator Beast Hoplomus|Light and Darkness DragonGladiator Beast Hoplomus]]''': If "[[Light and Darkness DragonGladiator Beast Hoplomus]]" is Summoned or flipped [[face-upSpecial Summon]] while ed by the effect of a "[[Skill DrainGladiator Beast]]" is activemonster, "its original [[Light and Darkness Dragon|Light and Darkness Dragon'sDEF]]becomes 2400. If " first effect will be [[negate]]d. Its second effect will still activate whenever a [[Spell Cards|Spell]], [[Trap Cards|Trap]], or effect of an [[Effect Monsters|Effect MonsterSkill Drain]] " is later activated, but the this effect of “[[Light is negated and Darkness Dragon]]” will be "[[negateGladiator Beast Hoplomus]]d so the activation of the " [[Spell CardsOriginal ATK and DEF|Spell]], [[Trap Cards|Trap]], or effect of an [[Effect Monsters|Effect Monsteroriginal DEF]] will not be [[negate]]d and return to 2100. Even if "[[Light and Darkness DragonSkill Drain]]" will not lose [[ATK]] is later negated or removed from the field, the original [[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 of "[[Light and Darkness DragonGladiator Beast Hoplomus]]" is not on the fieldwill remain at 2100.

* '''[[Card Rulings:Magical ScientistGladiator Beast Laquari|Magical ScientistGladiator Beast Laquari]]:''' : If "[[Skill DrainGladiator Beast Laquari]]" is activated after Special Summoned by the effect of a Fusion Monster is "[[Gladiator Beast]]" monster, its Original [[Special SummonATK]]ed with and DEF becomes 2100. If "[[Magical ScientistSkill Drain]]"is later activated, the this effect of is [[negate]]d and "[[Magical ScientistGladiator Beast Laquari]]'s" (that makes the original [[Fusion Monsters|Fusion MonsterATK]] unable will return to attack directly and have to go back to the 1800. Even if "[[Extra DeckSkill Drain]]) has been applied already, and " is not negated, so the later [[Special Summonnegate]]ed d or removed from the field, the original [[Fusion Monsters|Fusion MonsterATK]] still cannot attack directly and must go back to the of "[[Extra DeckGladiator Beast Laquari]]" will remain at 1800.

* '''[[Card Rulings:Majestic Mech - GoryuLegendary Fiend|Majestic Mech - GoryuLegendary Fiend]] / [[Card Rulings:Majestic Mech - Ohka|Majestic Mech - Ohka]] / [[Card Rulings:Majestic Mech - Senku|Majestic Mech - Senku]]:''' If : While "[[Skill Drain]]" is active during , the ATK gain disappears. When "[[Phase#End Phase|End PhaseSkill Drain]], it will negate the effects of a "Majestic Mech" so the "Majestic Mech" will not send itself to the is [[Graveyardnegate]]d or removed from the field, the ATK gain is not reapplied.

* '''[[Card Rulings:Maju Garzett|Maju Garzett]]:''' If "[[Skill Drain]]" is active, "[[Maju Garzett]]"'s [[ATK]] is reset to 0 even if "[[Skill Drain]]" is later [[destroyeddestroy]]ed.

* '''[[Card Rulings:Mataza the ZapperMegarock Dragon|Mataza the ZapperMegarock Dragon]]:''' While If "[[Skill Drain]]" is activewhile "[[Megarock Dragon]]" is in play, you can take control the effect of "[[Mataza Megarock Dragon]]" is negated and its original [[ATK]] and [[DEF]] are treated as zero. Even if "[[Skill Drain]]" is destroyed later, the Zapperoriginal [[ATK]] and [[DEF]]of " [[Megarock Dragon]]" will remain zero. * '''[[Card Rulings:Montage Dragon|Montage Dragon]]''': If "[[Skill Drain]]" is active while "[[Montage Dragon]]" is face-up on the field, its ATK becomes 0. If "[[Skill Drain]]" is later negated or removed from your opponentthe field, its ATK remains 0.

* '''[[Card Rulings:Megarock DragonUFOroid Fighter|Megarock DragonUFOroid Fighter]]:''' : If "[[Skill DrainUFOroid Fighter]]" is active while on the field, and then "[[Megarock DragonSkill Drain]]" is in playactivated, the effect of "[[Megarock Dragon]]" is negated original ATK and its DEF|original [[ATK& DEF]] will be zero, and [[DEF]] are treated as will remain zero. Even even if "[[Skill Drain]]" is destroyed later, the original [[ATKdestroy]] and [[DEF]] of "[[Megarock Dragon]]" will remain zeroed or negated.

====Judge List Rulings====* '''[[Card Rulings:Mirage KnightChimeratech Overdragon|Mirage KnightChimeratech Overdragon]]:''' "[[Mirage Knight]]" can be [[Special Summon]]ed by "[[Dark Flare Knight]]"'s effect even if : If "[[Skill Drain]]" is activeactivated, because "[[Dark Flare KnightChimeratech Overdragon]]"'s effect activates in the will have its ATK reduced to 0 and cannot attack multiple monsters.<ref>[[Graveyard]]http://web.archive.org/web/20071102225810/entertainment.upperdeck.com/community/forums/thread/844199. However, "[[Mirage Knightaspx UDE Judge List]]": Skill Drain's effects are negated by "[[Skill Drain]]".impact on monsters with variable ATK and/or DEF</ref>

===On Not Removing Previously-Resolved/Lingering Effects===* '''When [[Card Rulings:Montage Dragon|Montage DragonJowls of Dark Demise]]''': If s effect is activated and resolves, and then "[[Skill Drain]]" is active while activated afterwards, it has no effect on "[[Montage DragonJowls of Dark Demise]]" 's effect, so [[control]] of the monster does not change until it is face-up on returned to the field, its ATK becomes 0. If "original [[Skill Draincontroller]]" is later negated or removed from at the end of the field, its ATK remains 0turn.

* '''"Skill Drain" will not affect lingering effects or conditions that are left over from a previous effect. For example, if you [[Special Summon]] a [[Fusion Monster]] with "[[Card Rulings:Morphtronic Datatron|Morphtronic DatatronSummoner of Illusions]]''': While ", and then "[[Skill Drain]]" is activeactivated afterwards, the [[Attack PositionFusion Monster]] and is still destroyed in the [[End Phase]]. If you [[Special Summon]] a Fusion Monster with "[[Defense PositionMagical Scientist]] effects of ", and then "[[Morphtronic DatatronSkill Drain]]" cannot be is activated, because the "While in Attack Position" [[Fusion Monster]] cannot attack your opponent's [[Life Points]] directly, and "While in Defense Position" effects are negatedis returned to the [[Fusion Deck]] at the end of the turn.

* '''If "[[Card Rulings:Morphtronic Magnen|Morphtronic MagnenHino-Kagu-Tsuchi]]"''': While s effect is activated, and then "[[Skill Drain]]" is activeactivated later, the Attack Position and Defense Position effects of "[[Morphtronic MagnenHino-Kagu-Tsuchi]]" cannot be activated, because 's effect is not negated and the opponent must discard his/her hand during their next Draw Phase. But if "While in Attack PositionSkill Drain" and is active at the time "While in Defense Position[[Hino-Kagu-Tsuchi]]" effects are 's effect activates, then the effect is negated.

* '''[[Card Rulings:NeoBlue Thunder T-Spacian Dark Panther45|NeoBlue Thunder T-Spacian Dark Panther45]]:''' If : Even while "[[Skill Drain]]" is activated after active, the "[[Neo-Spacian Dark PantherThunder Option Token]]'s" effect has resolved, the effects that the "cannot be [[Tribute]]d for a [[Neo-Spacian Dark Panther|Dark PantherTribute Summon]]" copied will be negated, but it will still keep the copied card name until the end of the turn.

* '''[[Card Rulings:Neo-Spacian Glow MossGear Golem the Moving Fortress|Neo-Spacian Glow MossGear Golem the Moving Fortress]]:''' If you activate & resolve this card's effect and then "[[Neo-Spacian Glow MossSkill Drain]]" attacks is activated, you can still attack directly with its effect and because "[[Skill DrainGear Golem the Moving Fortress]]" 's effect is activated in response, already applied and it's still applied even if "[[Neo-Spacian Glow MossSkill Drain]]" can no longer attack directly and (another) replay will occuris activated.

* '''[[Card Rulings:Phantom DragonMagical Scientist|Phantom DragonMagical Scientist]]:''': If you have 1 face-up "[[Phantom Dragon]]" while "[[Skill Drain]]" is active, when your opponent activated after a Fusion Monster is [[Special Summon]]s a monster you can Special Summon another ed with "[[Phantom DragonMagical Scientist]]" into one , the effect of "[[Magical Scientist]]" (that makes the [[Fusion Monster Card Zones that was made unusable by ]] 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 [[Phantom DragonExtra Deck]]".

* '''[[Card Rulings:Power BondMosaic Manticore|Power BondMosaic Manticore]]:''' : If you Fusion Summon "[[UFOroid Fighter]]" with 3000 [[ATK]], and then later in the turn "[[Skill Drain]]" is activated, reducing its after the monsters [[ATKTribute]] d to 0, you will still take 3000 points of damage during the [[Phase#End Phase|End PhaseTribute Summon]]. If you send "[[UFOroid FighterMosaic Manticore]]" to the are [[GraveyardSpecial Summon]] so that ed by its effect resets and its original [[ATK]] becomes zero, you the monsters still take damage equal to its original [[ATK]] at the time it was Special Summoned by "[[Power Bond]]"cannot attack and their effects are negated.

* '''[[Card Rulings:Power CapsuleNeo-Spacian Dark Panther|Power CapsuleNeo-Spacian Dark Panther]]:''' You can activate and resolve If "[[Power CapsuleSkill Drain]]" even if is activated after "[[Neo-Spacian Dark Panther]]'s" effect has resolved, the effects that the "Skill Drain[[Neo-Spacian Dark Panther|Dark Panther]]" is on copied will be negated, but it will still keep the copied card name until the end of the fieldturn.

* '''[[Card Rulings:Proto-Cyber DragonPlaguespreader Zombie|Proto-Cyber DragonPlaguespreader Zombie]]:''' : If "[[Skill DrainPlaguespreader Zombie]]" is active, this card is no longer treated as "Special Summoned from the [[Cyber DragonGraveyard]]". You could not use it for by its effect and is later removed from the field while "[[Attack Reflector UnitSkill Drain]]"is active, etcit is removed from play.

* '''[[Card Rulings:Sacred Phoenix of NephthysSonic Jammer|Sacred Phoenix of NephthysSonic Jammer]]:''' If "[[Skill Drain]]" is active on the fieldactivated after "[[Sonic Jammer]]"'s effect has resolved, the effect of "Sonic Jammer" is not negated because "[[Skill Drain]]" was not active when "[[Sonic Jammer]]" was flipped, activated its effect, and applied its effect. ===Versus Costs/Conditions===* While "[[Skill Drain]]" is active, "[[Maintenance Cost|maintenance costs]]" are not negated (see the [http://replay.waybackmachine.org/20090226121409/http://entertainment.upperdeck.com/yugioh/en/gameplay/faqs/advancedgameplay/default.aspx Advanced Gameplay FAQ]) so you still have to pay for "[[The Unfriendly Amazon]]", "[[Armor Exe]]", [[Archfiend]]s, etc. However, all other costs are negated, so you do not have to pay to attack with "[[Sacred Phoenix of NephthysDark Elf]]" or "[[Jirai Gumo]]" that . * You can [[Special Summon]]s it from the "[[Gilasaurus]]" while "[[GraveyardSkill Drain]] " is still activatedactive, because it but its effect is negated so your opponent does not get to [[Special Summon]]. * Conditions for Summoning monsters is activated in not negated by "[[Skill Drain]]", so you still must remove 1 [[DARK]] and 1 [[LIGHT]] monster to [[Special Summon]] "[[Chaos Emperor Dragon - Envoy of the End]]", and you cannot Normal Summon or Flip {{sic|Summong}} "[[GraveyardTerrorking Archfiend]]" if there are no [[Archfiend]]s on the field. However * '''[[Card Rulings:Anteatereatingant|Anteatereatingant]]''': If you activate the effect of "[[Anteatereatingant]]", then activate "[[Skill Drain]]", "[[Anteatereatingant]]" still can't attack that turn. (Even if "[[Skill Drain]]" was [[chain]]ed to the effect that destroys .) * '''[[Spell CardsCard Rulings:Black Luster Soldier - Envoy of the Beginning|SpellBlack Luster Soldier - Envoy of the Beginning]] :''' If you activate "[[Black Luster Soldier - Envoy of the Beginning]]"'s first effect, and "[[Skill Drain]]" is chained to it to negate the effect, or if "[[Skill Drain]]" was active before you activated the effect, you cannot attack with "[[Trap CardsBlack Luster Soldier - Envoy of the Beginning]] on " that turn because the activation of the effect was not negated and the field condition that is included will not be negated because it activates by "[[Skill Drain]]". * '''[[Card Rulings:Chiron the Mage|Chiron the Mage]]:''' The restriction that you can only activate this effect once per turn is a condition, not an effect. So if "[[Skill Drain]]" is on the field , you can pay the cost once per turn (so for no effect), but not pay the cost continuously in the same turn. * '''[[Card Rulings:Combo Fighter|Combo Fighter]] / [[Card Rulings:Combo Master|Combo Master]]:''' If a chain occurred, then "[[Skill Drain]]" was activated, but then "[[Skill Drain]]" and other was destroyed, this monster can attack twice. (This monster's perception that a [[chain]] occurred is not reset.) * '''[[Spell CardsCard Rulings:Terrorking Archfiend|SpellTerrorking Archfiend]]:''' While "[[Skill Drain]]" is active, you still need to have an [[Archfiend]] and [[Trap CardsMonster Card]] on your side of the field are in order to [[Normal Summon]] or [[Flip Summon]] "[[Terrorking Archfiend]]". * '''[[Card Rulings:The Creator|The Creator]]:''' If you activate the effect of "[[The Creator]]", and it does not resolve because the opponent chains "[[destroyedSkill Drain]]", or removes the targeted monster from the [[Graveyard]] with "[[Disappear]]", you've still used the effect. So you cannot activate its effect again that turn (even if you destroy "[[Skill Drain]] in this case").

* '''[[Card Rulings:Sand MothThe Six Samurai - Kamon|Sand MothThe Six Samurai - Kamon]] / [[Card Rulings:The Six Samurai - Yaichi|The Six Samurai - Yaichi]]:''' Even if "Skill Drain" is active when If "[[Sand MothThe Six Samurai - Kamon|Kamon's]]" effect is used, then "[[Special SummonSkill Drain]]ed by its own effect" is activated later, its "[[ATKThe Six Samurai - Kamon|Kamon]] and [[DEF]] will remained switched. (2000 [[ATK]] / 1000 [[DEF]])" still cannot declare an attack that turn.

===Versus Effects which Activate Off the Field===* '''"[[Card Rulings:Silent Insect|Silent InsectSkill Drain]]:''' If "negates the effects of [[Silent Insectface-up]]" is [[face-upEffect Monster]] s on the field, you can but does not negate effects that activate in the [[Graveyard]], such as "[[Witch of the Black Forest]]", "[[Sangan]]", "Skill Drain[[Mystic Tomato]]" by paying 1000 Life Points, but its effect will be negated. If "[[Skill DrainGiant Rat]]" is active on the field when you Normal or Flip Summon , "[[Silent InsectSinister Serpent]]", its effects are negated and it will remain in "[[Battle Position#Attack Position|Attack PositionVampire Lord]]".

* '''If your "[[Card Rulings:Skilled Dark Magician|Skilled Dark MagicianFlare Knight]] / " is sent to the [[Card Rulings:Skilled White Magician|Skilled White MagicianGraveyard]]:''' When while "[[Skill Drain]]" is active, and its effect activates in the Graveyard so you or your opponent activates a can [[Spell Cards|Spell CardSpecial Summon]], do not place "[[Counter#Spell Counter|Spell CountersMirage Knight]] on this monster. Any [[Counter#Spell Counter|Spell Counters]] that are on this monster are removed when " (but "[[Skill DrainMirage Knight]]" 's effects will be negated once it is activatedin play).

* '''If your "[[Neko Mane King]]" is sent to the [[Card Rulings:Sonic Jammer|Sonic JammerGraveyard]]:by your opponent''' If s card effect while "[[Skill Drain]]" is active, its effect is activated after . * If your "[[Sonic JammerTwin-Headed Behemoth]]"'s effect has resolved, is destroyed and sent to the effect of "Sonic Jammer" is not negated because "[[Skill DrainGraveyard]]" was not active when while "[[Sonic JammerSkill Drain]]" was flippedis active, activated its effect, activates and applied its effectit is Special Summoned.

* '''[[Card Rulings:Spirit ReaperAtomic Firefly|Spirit ReaperAtomic Firefly]]:''' If "[[Skill DrainAtomic Firefly]]" is active, "'s effect activates in the [[Spirit ReaperGraveyard]]" can be equiped with Equip Cards, but if when "[[Skill DrainAtomic Firefly]]" is later removed from sent to the field "[[Spirit ReaperGraveyard]]at the end of the attack, so " will be [[destroyedSkill Drain]]" will not negate its effect.

* '''[[Card Rulings:Spirit ReaperBurning Algae|Spirit ReaperBurning Algae]]:''' "[[Spirit ReaperBurning Algae]]" can 's effect cannot be [[destroyed]] as a result of battle while negated by "[[Skill Drain]]" is active.

* '''[[Card Rulings:Super Double SummonChainsaw Insect|Super Double SummonChainsaw Insect]]:''': You can activate "[[Super Double Summon]]" and select a [[Gemini Monsters|Gemini Monster]] that is having its effect [[negate]]d by If "[[Skill Drain]]". The [[Gemini Monsters|Gemini Monster]] is active, your opponent will be treated as having been [[Normal Summon]]ed while face-up on the fieldnot get to draw, but the effects it gains will be [[negate]]d by unless "[[Skill Drain]]". If "[[Skill DrainChainsaw Insect]]" is [[negate]]d or removed from the field later destroyed in the turnbattle, then its effect will activate in the selected [[Gemini Monsters|Gemini Monster’sGraveyard]] effects and your opponent will be active and can be useddraw 1 card.

* '''[[Card Rulings:Terrorking ArchfiendD.D. Survivor|Terrorking ArchfiendD.D. Survivor]]:''' While If "[[Skill Drain]]" is active, you still need to have an when "[[ArchfiendD.D. Survivor]] " is removed from play, it is still [[Monster Cards|Monster CardSpecial Summon]] on your side of ed because its effect activates during the field in order to [[Normal SummonEnd Phase]] or [[Flip Summon]] "[[Terrorking Archfiend]]"while it is removed from play.

* '''[[Card Rulings:The Agent of Wisdom - MercuryDark World|The Agent of Wisdom - MercuryDark World]]:''' When the effect of "[[: The Agent effects of Wisdom - Mercury]]" is negated by "these cards [[Skill Drainactivate]]", and you have no [[hand]] at in the end of your opponent's End Phase, and you destroy "[[Skill DrainGraveyard]]" before your [[Phase#Standby Phase|Standby Phase]] (such as with "[[Mystical Space Typhoon]]" during your [[Phase#Draw Phase|Draw Phase]]), you CAN draw because "[[Skill Drain]]" was destroyed. This is because the "when you have no cards in your hand during your opponent's [[Phase#End Phase|End Phase]]" is a condition, not an effect, so it is not negated by "[[Skill Drain]]". As long as you can make it so that "[[Skill Drain]]" is will not negating "[[The Agent of Wisdom - Mercurynegate]]"'s card-drawing effect by the time the [[Phase#Standby Phase|Standby Phase]] begins, you can drawtheir effects.

* '''[[Card Rulings:The CreatorGiant Kozaky|Giant Kozaky]]:''' If you activate The effect of "[[Giant Kozaky]]" that inflicts damage to the [[controller]] activates in the [[Graveyard]] or the "removed zone", wherever "[[Giant Kozaky]]" goes to after being [[destroy]]ed. "[[The End of Anubis]]" will negate the effect of "[[The CreatorGiant Kozaky]]"if it was [[destroy]]ed and sent to the Graveyard, and it does but "[[Banisher of the Light]]" will not resolve (because the opponent chains "[[Skill DrainGiant Kozaky]]", or removes the targeted monster from does not have to be "[[destroy]]ed and sent to the [[Graveyard]] with "). Nor will "[[DisappearSkill Drain]]", you've still used negate the effect. So you cannot activate its effect again that turn (even damage if you destroy "[[Skill DrainGiant Kozaky]]")is [[destroy]]ed.

* '''[[Card Rulings:The Six Samurai - KamonMirage Knight|The Six Samurai - KamonMirage Knight]] / :''' "[[Mirage Knight]]" can be [[Card Rulings:The Six Samurai - Yaichi|The Six Samurai - YaichiSpecial Summon]]:''' If ed by "[[The Six Samurai - Kamon|KamonDark Flare Knight]]"'seffect even if "[[Skill Drain]]" effect is usedactive, then because "[[Skill DrainDark Flare Knight]]" is activated later's effect activates in the [[Graveyard]]. However, "[[The Six Samurai - Kamon|KamonMirage Knight]]"'s effects are negated by "[[Skill Drain]]" still cannot declare an attack that turn.

* '''[[Card Rulings:The Unhappy GirlSacred Phoenix of Nephthys|The Unhappy GirlSacred Phoenix of Nephthys]]:''' If "[[The Unhappy GirlSkill Drain]]" applies her is active on the field, the effect to a monster, and of "[[Skill DrainSacred Phoenix of Nephthys]]" that [[Special Summon]]s it from the [[Graveyard]] is then still activated and resolves, and "because it is activated in the [[Skill DrainGraveyard]]" is then . However, the effect that destroys [[destroyedSpell Card|Spell]] afterwards, then "and [[The Unhappy GirlTrap Card]]"'s effect on the field is re-applied and negated because it activates on the monster that battled with her before field (so "[[Skill Drain]]" was activated cannot attack or change and other [[Battle PositionSpell Card|battle positionSpell]] and [[ Trap Card]]s on the field are not [[destroy]] once agained in this case).

* '''[[Card Rulings:UFOroid FighterSand Moth|UFOroid FighterSand Moth]]:''' If Even if "Skill Drain" is active when "[[UFOroid FighterSand Moth]]" is on the field, and then "[[Skill DrainSpecial Summon]]" is activateded by its own effect, the its [[original ATK ]] and DEF|original ATK & [[DEF]] will be zero, and will remain zero even if "remained switched. (2000 [[Skill DrainATK]]" is / 1000 [[destroyedDEF]] or negated).

===In Other Rulings===* '''[[Card Rulings:Winged Kuriboh LV10Amplifier|Winged Kuriboh LV10Amplifier]]:''' : You can cannot activate the a card that would cause an infinite loop because its effect of cannot [[resolve]] completely. ... Example #2: you [[control]] "[[Jinzo]]" [[equip]]ped with "[[Amplifier]]" and "[[Skill Drain]]". Your opponent cannot activate "[[Winged Kuriboh LV10Royal Decree]]" if . * '''[[Card Rulings:Cloudian - Ghost Fog|Cloudian - Ghost Fog]]:''' If "[[Skill Drain]]" is activated while a monster has Fog Counter(s), the Fog Counter(s) remain on the fieldmonster. * '''[[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 will 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 normally "[[Power Capsule]]" even if "Skill Drain" is on the field. * '''[[Card Rulings:Spell Counter|Spell Counter]]:''' When "[[Skill Drain]]" is active, and you or your opponent activates a [[Spell Card]], do not be negated, because it place [[Spell Counter]]s on this monster. Any Spell Counters that are on this monster are removed when "[[Skill Drain]]" is no longer 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-upon the field, but the effects it gains will be [[negate]]d by "[[Skill Drain]]". If "[[Skill Drain]]" is [[negate]] monster on d or removed from the fieldlater in the turn, the selected [[Gemini Monster]]'s effects will be active and can be used.

==OCG * '''[[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]]" has , and you have no effect on [[hand]] at the end of your opponent's End Phase, and you destroy "[[Skill Drain]]" before your [[Standby Phase]] (such as with "[[Stardust DragonMystical Space Typhoon]]". For the first effectduring your [[Draw Phase]]), tributing you CAN draw because "[[Stardust DragonSkill Drain]]" was destroyed. This is a cost, so because the "when you have no cards in your hand during your opponent's [[Stardust DragonEnd Phase]]" is a condition, not on the field and an effect, so it is unaffected not negated by "[[Skill Drain]]". The second effect activates in the Graveyard, As long as you can make it so that "[[Skill Drain]]" cannot negate it.<ref>is not negating "[[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=43913&event=FE0006 Konami FAQThe Agent of Wisdom - Mercury]]: Is the "'s card-drawing effect of "Stardust Dragon" negated by "Skill Drain"?</ref>the time the [[Standby Phase]] begins, you can draw.

*If "'''[[Montage DragonCard Rulings:Zoma the Spirit|Zoma the Spirit]]" is affected by :''' "[[Skill DrainZoma the Spirit]]'s", its ATK becomes 0. If effect cannot be negated by "[[Skill Drain]]" is later removed, it does not regain its ATK.<ref>[http://yugioh.faq.konami.jp/EokpControl?&lang=en&tid=43969&event=FE0006 Konami FAQ]: When "Montage Dragon" is flipped face down or has its effect negated, what does his ATK become?</ref>}}

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