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 - $2.10
Lightly Played - $1.90
Played - $1.50
Heavily Played - $1.30
Damaged - $1.10
Near Mint Non-English - $2.10
Lightly Played Non-English - $1.90
Played Non-English - $1.50
Heavily Played Non-English - $1.30
Damaged Non-English - $1.10