Kog'Maw, Mouth of the Abyss

Reach
Feast—As this creature enters the battlefield, you
may discard any number of creature cards from
your hand. If you do, put a +1/+1 counter on
Kog'Maw, Mouth of the Abyss and it deals 3
damage to any target for each creature card
discarded this way.
When Kog'Maw, Mouth of the Abyss dies, it
deals damage equal to its power to each creature
and each player.