Isareth the Awakener (Anime) [Foundations Jumpstart]

Set: Foundations Jumpstart Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{B}{B} DeathtouchWhenever Isareth the Awakener attacks, you may pay {X}. When you do, return target creature card with mana value X from your graveyard to the battlefield with a corpse counter on it. If that creature would leave the battlefield, exile it instead of putting it anywhere else.