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 - $1.20
Lightly Played - $1.00
Moderately Played - $0.90
Heavily Played - $0.80
Damaged - $0.60
Near Mint Spanish - $1.20
Lightly Played Spanish - $1.00
Moderately Played Spanish - $0.90
Heavily Played Spanish - $0.80
Damaged Spanish - $0.60