Darkness Clairvoyant

Scavenge {2}{b}{g} ({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.)
Dredge 2 (If you would draw a card, you may mill
two cards instead. If you do, return this card from your
graveyard to your hand.)
Undergrowth —You may only activate Darkness Clairvoyant's abilities if there are more than four creatures in your graveyard.