Bone Devourer (Extended Art) (TDC-066) - Commander: Tarkir: Dragonstorm: (Extended Art)

Flash
Flying
This creature enters with a number of +1/+1 counters on it equal to the number of creatures that died this turn.
When this creature dies, you draw X cards and you lose X life, where X is the number of +1/+1 counters on it.