Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Near Mint - $0.40
Near Mint Non-English - $0.40
Lightly Played - $0.30
Lightly Played Non-English - $0.30
Played - $0.30
Played Non-English - $0.30
Heavily Played - $0.20
Heavily Played Non-English - $0.20
Damaged - $0.20
Damaged Non-English - $0.20
Foil Prices
Near Mint Foil - $0.70
Near Mint Foil Non-English - $0.70
Lightly Played Foil - $0.60
Lightly Played Foil Non-English - $0.60
Played Foil - $0.50
Played Foil Non-English - $0.50
Heavily Played Foil - $0.40
Heavily Played Foil Non-English - $0.40
Damaged Foil - $0.40
Damaged Foil Non-English - $0.40