Deadmaw, the Grave-Eater

Undergrowth — Deadmaw, the Grave-Eater enters
the battlefield with a number of +1/+1 counters
on it equal to the number of creature cards in
your graveyard.
{b}{g}, {t}: Exile target creature card from any
graveyard: Put X +1/+1 counters on Deadmaw,
where X is equal to the exiled creature's converted
mana cost.