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.
NM-Mint - $0.10
Lightly Played - $0.10
Moderately Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
NM-Mint Non English - $0.10
Lightly Played Non English - $0.10
Moderately Played Non English - $0.10
Heavily Played Non English - $0.10
Damaged Non English - $0.10