Vraska Reincarnated

+2: Target Creature becomes under your control until end of turn
0: Until end of turn, Vraska Reincarnated becomes a 6/6 Legendary Creature with indestructible and haste that is still a Plainswalker
-12: Exile all cards from all graveyards, if they are permanents, place them down without paying their mana cost, if not they are 5/5 assassins