Messam Elmdore

{2}, Exile Messam Elmdore:
Create a 2/2 demon assassin token with deathtouch, doublestrike, and "When this creature leaves the battlefield, you may cast
any card you own from exile without paying
its mana cost."

When Messam Elmdore dies, return it transformed under its owner's control. If you do, you lose 6 life.