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 - $3.30
Lightly Played - $2.90
Played - $2.30
Heavily Played - $2.00
Damaged - $1.70
Near Mint Non-English - $3.30
Lightly Played Non-English - $2.90
Played Non-English - $2.30
Heavily Played Non-English - $2.00
Damaged Non-English - $1.70