Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)
Near Mint - $1.25
Lightly Played - $1.25
Moderately Played - $1.00
Heavily Played - $0.75
Damaged - $0.75
Near Mint Non-English - $1.25
Lightly Played Non-English - $1.25
Moderately Played Non-English - $1.00
Heavily Played Non-English - $0.75
Damaged Non-English - $0.75