Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {3}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
NM-Mint - $0.80
Lightly Played - $0.70
Moderately Played - $0.70
Heavily Played - $0.60
Damaged - $0.50
NM-Mint Non English - $0.80
Lightly Played Non English - $0.70
Moderately Played Non English - $0.70
Heavily Played Non English - $0.60
Damaged Non English - $0.50