Sol'Kanar the Devourer

Whenever a black creature enters the battlefield you may sacrifice it. If you do Sol'Kanar the Devourer gets a +1/+1 counter
"I have fallen, but this will not stop me, I will regain my status, and I am willing to do anything to acheive it. It's survival of the fittest
now"
-Sol'Kanar the Devourer