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OCG Rulings[]

  • The ATK reduction lasts as long as the monster that had its ATK reduced remains face-up on the field.[1]
  • If at the time of the resolution of the effect of "Slifer the Sky Dragon" that reduces ATK by 2000 the opponent's Summoned monster switches control to your side of the field, the ATK is reduced by 2000, and if the ATK becomes 0, the monster is destroyed.[9]
  • If "Slifer the Sky Dragon" is targeted by "Shrink", after its ATK becomes half of its original ATK, its effect that causes its ATK to become the number of cards in your hand x 1000 is applied once again, and the ATK ends up being the number of cards in your hand x 1000. Also, even after the effect of "Shrink" wears out, the ATK is still the number of cards in your hand x 1000. Furthermore, even if the number of cards in your hand varies, the ATK varies according to the number of cards in your hand.[10]

Egyptian God Rulings[]

OCG Rulings

On Effects Not Activating[]

On Summoning[]

Miscellaneous[]

References[]

  1. 1.0 1.1 1.2 Konami OCG FAQ: Effect Monster > Slifer the Sky Dragon
  2. Konami FAQ: If a monster with 2000 ATK or less is Normal or Special Summoned in face-up Attack Position and the effect of "Slifer the Sky Dragon" is activated, can the effect of "Stardust Dragon" be activated in a chain?
  3. Konami FAQ: If a "The Wicked Avatar" is Normal Summoned and its ATK is reduced to 0 by the effect of "Slifer the Sky Dragon", is "The Wicked Avatar" destroyed?
  4. Konami FAQ: If a monster whose original ATK is 0 is Normal Summoned while "Slifer the Sky Dragon" is on the field, does the effect of "Slifer the Sky Dragon" activate? Also, is the monster with 0 original ATK destroyed?
  5. Konami FAQ: If the player that controls "Slifer the Sky Dragon" has 2 cards in their hand, and "Slifer the Sky Dragon" is targeted by the effect of "Blackwing - Gale the Whirlwind", what is the ATK of "Slifer the Sky Dragon"? Also, after the effect of "Blackwing - Gale the Whirlwind" resolves, if the number of cards in the hand of the player that controls "Slifer the Sky Dragon" varies, what is the ATK of "Slifer the Sky Dragon"?
  6. Konami FAQ: If multiple monsters are Summoned in face-up Attack Position to the opponent's side of the field with the effect of "Return from the Different Dimension", does the effect of "Slifer the Sky Dragon" activate?
  7. Konami FAQ: If you control 2 copies of "Slifer the Sky Dragon" and the opponent Normal or Special Summons a monster, do both copies of "Slifer the Sky Dragon" activate their effects?
  8. Konami FAQ: When the opponent Summoned a monster in face-up Attack Position and the effect of "Slifer the Sky Dragon" activated, "Book of Moon" was activated in a chain, flipping the Summoned monster to face-down Defense Position. In this scenario, the Summoned monster is no longer in Attack Position, so is its ATK reduced by 2000 by the effect of "Slifer the Sky Dragon"?
  9. Konami FAQ: If at the time of the resolution of the effect of "Slifer the Sky Dragon" that reduces ATK by 2000 the opponent's Summoned monster switches control to your side of the field, is the ATK still reduced by 2000?
  10. Konami FAQ: If "Slifer the Sky Dragon" is targeted by "Shrink", what does its ATK become? Also, after the effect of Shrink wears out, what does the ATK of "Slifer the Sky Dragon" become? Furthermore, if "Slifer the Sky Dragon" is affected by "Shrink", and the amount of cards in the hand of its controller varies, what does the ATK of "Slifer the Sky Dragon" become?
  11. Konami FAQ: There's an "Slifer the Sky Dragon" and a "The Wicked Dreadroot" on the field, and the opponent Summons a monster with 4000 ATK. In this case, what does the ATK of the Summoned monster become?
  12. Konami FAQ: If your "Slifer the Sky Dragon" and other opponent's monsters are Special Summoned simultaneously by the effect of "Dimension Fusion", does the effect of "Slifer the Sky Dragon" that lowers the ATK of the opponent's monsters and destroys them if the ATK reaches 0 activate?
  13. Konami FAQ: While "Final Attack Orders" is active, the opponent Special Summoned a monster in Defense Position. In this case, since the Battle Position of the opponent's monster is immediately changed to Attack Position, is the effect of "Slifer the Sky Dragon" activated?
  14. Konami FAQ: Can you Tribute Summon "Slifer the Sky Dragon" or "The Wicked Dreadroot" from your hand by tributing an opponent's monster affected with "Soul Exchange"?
  15. Konami FAQ: When "Obelisk the Tormentor" is Normal Summoned and "Sangan" is Tributed and sent from the field to the Graveyard, will the effect of "Sangan" be activated?
  16. Konami FAQ: What can the Turn Player do when "Obelisk the Tormentor" is successfully Tribute Summoned?
  17. Konami FAQ: When "Obelisk the Tormentor" is Normal Summoned by "Ultimate Offering" in the middle of a Chain, will the effect of a Tributed "Sangan" activate?
  18. Konami FAQ: Does the effect of "Sangan" activate if it was destroyed when resolving Chain Link 2 and "Obelisk the Tormentor" was Summoned at Chain Link 1?
  19. Konami FAQ: When Normal Summoning "Obelisk the Tormentor", can you Set it in face-down Defense Position?
  20. Konami FAQ: For the effect of "DNA Surgery", can "Divine-Beast" be declared as a monster's Type?
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