Gemstone Mine enters the battlefield with three mining counters on it. {T}, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.
Near Mint - $1.75
Lightly Played - $1.75
Moderately Played - $1.50
Heavily Played - $1.25
Damaged - $1.00
Near Mint Non-English - $1.75
Lightly Played Non-English - $1.75
Moderately Played Non-English - $1.50
Heavily Played Non-English - $1.25
Damaged Non-English - $1.00