Lord Argyle, Life's grasp

+3: Reveal the top card of your library and put it in your hand. Lord Argyle does damage to itself and each opponent equal to the card's cmc
0: Until end of turn, Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life
-3: Sacrifice a creature. Lord Argyle deals X damage to any target and you gain X life, where X is the sacrificed creature's power