Cannot be Normal Summoned Set. Must be Special Summoned (from your hand or face-up Extra Deck) by Tributing all monsters you control (min. 2), including a Dragon Pendulum Monster. You can only Special Summon All-Eyes Phantom Dragon once per turn this way. Once per turn, during damage calculation, if this card battles an opponent s monster: Double this card s current ATK until the end ofthis turn. Once per turn, when your opponent activates a Spell Trap Card or effect (Quick Effect): You can send 1 Spell Trap you control to the GY; negate the activation.