Malfegor, Harbinger of Bolas

Haste
Cumulative upkeep pay {6}—sacrifice three
permanents
Annihilator {2} (Whenever this creature attacks, defending player sacrifices two permanents.)
If Harbinger of the Awaken deals damage to a
player, return target permanent from that player graveyard under your control until the beginning
of your next end step and that player draw cards
equal to it's converted mana cost.