Pendulum Effect Once per turn, while you control an "Odd-Eyes" card in your other Pendulum Zone, if an attack is declared involving a face-up monster you control and an opponent's monster: You can have your battling monster gain 1200 ATK until the end of the Battle Phase (even if this card leaves the field).
Monster Effect When this attacking Pendulum Summoned card inflicts battle damage to your opponent: You can inflict 1200 damage to your opponent for each "Odd-Eyes" card in your Pendulum Zones. You can only use this effect of "Odd-Eyes Phantom Dragon" once per turn.