Skill Successor [DP09-EN026] Rare

Select 1 face-up monster you control. It gains 400 ATK until the End Phase. You can remove from play this card in the Graveyard to give 1 face-up monster you control 800 ATK until the End Phase. This effect cannot be activated the turn this card is sent to the Graveyard, and can only be activated during your turn.