Arbor Wraith

Undergrowth - Arbor Wraith enters the battlefield
with X +1/+1 counters on it, where X is the
amount of creature cards in your graveyard.
{3}{b}{g}: Return a creature card with converted
mana cost X to your hand, where X is the
amount of +1/+1 counters on Arbor Wraith.
Return Arbor Wraith to your hand.
"No, not trees. Zombie trees." - Ravnican tavern
rumor