Card Rulings:Ghost of a Grudge
OCG Rulings
- This card cannot be activated if the opponent does not control any face-up monsters.[1]
- This card cannot be activated if the only face-up monsters the opponent controls have 0 ATK.[1]
- A monster that has its ATK reduced to 0 by this card remains with its ATK reduced as long as it remains face-up on the field.[1]
References