Whenever you cast a multicolored spell, create a tapped Powerstone token. (It's an artifact with “{T}, Add {C}. This mana can't be spent to cast a nonartifact spell.”)
{X}{X}{X}, {T}: Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order.
Near Mint - $0.50
Lightly Played - $0.50
Played - $0.40
Heavily Played - $0.30
Damaged - $0.30
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.50
Played Non-English - $0.40
Heavily Played Non-English - $0.30
Damaged Non-English - $0.30
Foil Prices
Near Mint Foil - $0.80
Lightly Played Foil - $0.80
Played Foil - $0.60
Heavily Played Foil - $0.50
Damaged Foil - $0.40
Near Mint Foil Non-English - $0.80
Lightly Played Foil Non-English - $0.80
Played Foil Non-English - $0.60
Heavily Played Foil Non-English - $0.50
Damaged Foil Non-English - $0.40