Prince of Thralls [Shards of Alara]

Set: Shards of Alara Type: Creature — Demon Rarity: Mythic Cost: {4}{U}{B}{B}{R} Whenever a permanent an opponent controls is put into a graveyard, put that card onto the battlefield under your control unless that opponent pays 3 life. "There are none alive that I cannot crush. There are none dead that I do not command."