Festercreep enters the battlefield with a +1/+1 counter on it.
{1}{B}, Remove a +1/+1 counter from Festercreep: All other creatures get -1/-1 until end of turn.
A single festercreep isn't alone. It's already an infestation.
Queen Creek Near Mint - $0.30
Queen Creek Lightly Played - $0.30
Queen Creek Moderately Played - $0.30
Queen Creek Heavily Played - $0.20
Queen Creek Damaged - $0.20
Tempe Near Mint - $0.30
Tempe Lightly Played - $0.30
Tempe Moderately Played - $0.30
Tempe Heavily Played - $0.20
Tempe Damaged - $0.20