Caol, Golgari Protege

Undergrowth -When Caol, Golgari Protege enters
the battlefield target creature gets -X/-X until
end of turn, where X is the number of creature
cards in your graveyard.
Scavenge {1}{b/g}{b/g} ({1}{b/g}{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.)
Dredge 2