Gristleback 87 (Guildpact)

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) Sacrifice this creature: You gain life equal to this creature's power.

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70