Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.
Near Mint - $10.50
Lightly Played - $10.00
Moderately Played - $8.00
Heavily Played - $6.50
Damaged - $4.25
Near Mint Non-English - $10.50
Lightly Played Non-English - $10.00
Moderately Played Non-English - $8.00
Heavily Played Non-English - $6.50
Damaged Non-English - $4.25