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 - $5.90
NM-Mint Non English - $5.90
Lightly Played - $5.40
Lightly Played Non English - $5.40
Moderately Played - $4.80
Moderately Played Non English - $4.80
Heavily Played - $4.20
Heavily Played Non English - $4.20
Damaged - $3.00
Damaged Non English - $3.00