Gordrakk and Maw-Krusha

Flying
Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it )
When Gordrakk and Maw-Krusha enters the battlefield, it deals damage to target creature or player equal to twice the number of Goblins it devoured. (Proxy for Voracious Dragon)