At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.
Near Mint - $5.50
Lightly Played - $4.90
Played - $3.80
Heavily Played - $3.30
Damaged - $2.80
Near Mint Non-English - $5.50
Lightly Played Non-English - $4.90
Played Non-English - $3.80
Heavily Played Non-English - $3.30
Damaged Non-English - $2.80