Manifest the top card of your library, then put X +1/+1 counters on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Near Mint - $0.25
Lightly Played - $0.21
Moderately Played - $0.15
Heavily Played - $0.10
Damaged - $0.05
Near Mint French - $0.25
Lightly Played French - $0.21
Moderately Played French - $0.15
Heavily Played French - $0.10
Damaged French - $0.05
Foil Prices
Near Mint Foil - $0.40
Lightly Played Foil - $0.40
Moderately Played Foil - $0.30
Heavily Played Foil - $0.20
Damaged Foil - $0.10
Near Mint Foil French - $0.40
Lightly Played Foil French - $0.40
Moderately Played Foil French - $0.30
Heavily Played Foil French - $0.20
Damaged Foil French - $0.10