If this card is Pendulum Summoned: Negate the effects of all face-up cards your opponent currently controls, until the end of this turn. Once per turn, if this card was Pendulum Summoned this turn: You can target up to 2 cards in your Spell & Trap Zone; destroy them, and if you do, this card gains 1 additional attack for each card destroyed by this effect during each Battle Phase this turn.