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.
NM-Mint - $7.50
Lightly Played - $7.20
Moderately Played - $6.80
Heavily Played - $6.00
Damaged - $4.90
NM-Mint Non English - $7.50
Lightly Played Non English - $7.20
Moderately Played Non English - $6.80
Heavily Played Non English - $6.00
Damaged Non English - $4.90