Golgari Swarm

Creature cards in your graveyard have Scavenge {2}{b}{g} (They have {2}{b}{g}, Exile this card from
your graveyard: Put a number of +1/+1 counters
equal to this card's power on target creature. Scavenge
only as a sorcery.)
{3}{b}{g}: Undergrowth - Put X +1/+1 counters on
target creature where X is the number of creature
cards in your graveyard. It gains deathtouch until end
of turn. You may have it fight target creature you
don't control.