Kog'Maw, the Curios Consumer

Devoid (This card has no color.)
Kog'Maw, the Curios Consumer enters the battlefield with X +1/+0 counters on it.
Doublestrike, Reach
Whenever a creature that Kog'Maw, the Curios Consumer dealt damage to dies, put a +1/+0
counter on it.