Alucard Tepes

Lifelink
Extort (Whenever you cast a spell, you may
pay {w/b} . If you do, each opponent loses 1 life
and you gain that much life.)
At the beginning of your postcombat main
phase, if you gained 3 or more life this turn,
exile Alucard Tepes, then return him to the battlefield transformed under his owner's control. (Alucard, son of Dracula)