Skill Successor (Mosaic Rare) (BP02-EN203) - Battle Pack 2: War of the Giants Unlimited

Target 1 face-up monster you control; it gains 400 ATK until the End Phase. During your turn, except the turn this card was sent to the Graveyard: You can banish this card from the Graveyard to target 1 face-up monster you control; that target gains 800 ATK until the End Phase. .