Thanos

+3: Take a creature from any graveyard and put it under your control. This creature taps and doesn't untap during your next untap step
-5: Create 6 (1/1) creature tokens. Distribute these abilities among them: Deathtouch, menace, trample, flying, a +1/+1 counter, and a +1/+2 counter
-15: Each enemy sacrifices 1/2 their creatures, their choice. You sacrifice a creature. Gain X health where X is double your sacrificed creature's hp.