TCG Rulings

  • The effect to decrease a monster’s ATK by 1000 does not start a Chain or target. It lasts as long as that monster remains face-up on the field.[1]
  • This card’s effect cannot apply multiple times to the same monster. If the same monster battles a “Watt” monster twice, it will only lose 1000 ATK.[1]
  • If Wattcastle is negated while it’s on the field, any monsters that lost 1000 ATK will gain it back. If Wattcastle stops being negated, they will lose the 1000 ATK again.[1]


  1. 1.0 1.1 1.2 Konami Gameplay FAQ: Starstrike Blast Sneak Peek -- Card Rulings (Version 1.0)

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