Jareth, the Goblin King

Flying, Menace
Eminence —Whenever a creature an opponent
controls dies, if Jareth, the Goblin King is in the command zone or on the battlefield, you may pay {1}to create a 1/1 red goblin creature token.
At the beginning of each end step you may
sacrifice three goblins: Return target instant
or sorcery from your graveyard to your hand.