TCG Rulings

  • The effect of “Half or Nothing” that halves ATK only applies to monsters face-up on the field at that time. Monsters flipped face-up, or Summoned, afterwards are not affected.[1]

OCG Rulings

  • The effect which halves the ATK of the opponent's monsters is still considered to be the effect of the player which activated this card.[2]
  • The halving effect of "Half or Nothing" only affects monsters that are on the field when "Half or Nothing" resolves. It does not affect monsters Summoned afterwards.[3]


  1. 1.0 1.1 Konami Gameplay FAQ: Crimson Crisis – Card Rulings (version 2.0)
  2. 2.0 2.1 Konami FAQ: Trap Card > Half or Nothing
  3. Konami FAQ: After activating "Half or Nothing", is the ATK of a monster which later becomes face-up on the field halved?

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