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 - $0.30
Near Mint Non-English - $0.30
Lightly Played - $0.30
Lightly Played Non-English - $0.30
Played - $0.20
Played Non-English - $0.20
Heavily Played - $0.20
Heavily Played Non-English - $0.20
Damaged - $0.20
Damaged Non-English - $0.20
Foil Prices
Near Mint Foil - $6.90
Near Mint Foil Non-English - $6.90
Lightly Played Foil - $6.20
Lightly Played Foil Non-English - $6.20
Played Foil - $4.80
Played Foil Non-English - $4.80
Heavily Played Foil - $4.10
Heavily Played Foil Non-English - $4.10
Damaged Foil - $3.50
Damaged Foil Non-English - $3.50