Sek'Kuar, Master of Death

+2: Until end of turn whenever another nontoken creature you control dies, create a 3/1 black and red Graveborn creature token with haste.
-3: Sacrifice three creatures you control: Search your library for a card, put it into your hand, then shuffle your library.
-8: Exile all creatures from all graveyards: Create a 3/1 black and red Graveborn creature token with haste for each creature exiled this way.