Isareth the Awakener is a rare Legendary Creature — Human Wizard card from Foundations Jumpstart (J25), collector number 68. Current market price: $0.32, TCGplayer market prices via Scryfall.
Deathtouch Whenever Isareth 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.