My All-Eyes Phantom Dragon có 4000 ATK sau khi tăng 1000 ATK từ hiệu ứng của Juragedo . Trong tình huống này, nếu All-Eyes Phantom Dragon chiến đấu với quái thú của đối thủ và tôi kích hoạt hiệu ứng làm tăng gấp đôi ATK của nó, nó sẽ có bao nhiêu ATK?

LIGHT 10

[ Pendulum Effect ] Once per turn, at the end of the Damage Step, if your Dragon Pendulum Monster attacked an opponent's monster: You can activate this effect; it can attack again in a row. You cannot declare attacks the turn you activate this effect, except with that monster. [ Monster Effect ] 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 of this 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.

DARK 4

During the Battle Step (Quick Effect): You can Special Summon this card from your hand, and if you do, gain 1000 LP. You can only use this effect of "Juragedo" once per turn. (Quick Effect): You can Tribute this card, then target 1 face-up monster you control; it gains 1000 ATK until the end of the next turn.