Thresh, the Chain Warden

Death Sentence - {2}{r}{r}: Take control of target creature until end of turn, untap it, it gains haste.
Flay - sacrifice a nontoken creature you control: gain 3 life and put a +1/+1 counter on Thresh the Chain Warden. If that creature was legendary, draw a card.
Damnation - When a nontoken creature you control dies, create a 0/1 Black Tortured Spirit creature token with Defender.