Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on each creature that had a +1/+1 counter put on it this way. Overload {4}{G}{G} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Near Mint - $0.40
Lightly Played - $0.40
Played - $0.30
Heavily Played - $0.30
Damaged - $0.20
Near Mint Non-English - $0.40
Lightly Played Non-English - $0.40
Played Non-English - $0.30
Heavily Played Non-English - $0.30
Damaged Non-English - $0.20
Foil Prices
Near Mint Foil - $1.40
Lightly Played Foil - $1.30
Played Foil - $1.00
Heavily Played Foil - $0.90
Damaged Foil - $0.70
Near Mint Foil Non-English - $1.40
Lightly Played Foil Non-English - $1.30
Played Foil Non-English - $1.00
Heavily Played Foil Non-English - $0.90
Damaged Foil Non-English - $0.70