Anubis, the Final Word

+1: Sacrifice up to one creature you control. Target opponent loses life equal to that creature's power.
-3: Target opponent sacrifices a creature they control of your choosing. You draw cards equal to that creature's toughness, then discard three cards.
-6: Put X 2/2 black zombie creature tokens onto the battlefield under your control, where X is the number of creatures in all graveyards.