Hulum Heldred

+4: Restart the game, leaving Hulum Heldred on the battlefield under your control.
0: Put a 5/5 black creature token with flying, intimidate, haste and indestructible onto the battlefield. Exile it at the end of combat.
-8: Deal 50 damage divided as you choose among any number of target creatures and/or players and/or planeswalkers.