If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.
NM-Mint - $63.20
Lightly Played - $60.00
Moderately Played - $56.90
Heavily Played - $50.60
Damaged - $41.10
NM-Mint Non English - $63.20
Lightly Played Non English - $60.00
Moderately Played Non English - $56.90
Heavily Played Non English - $50.60
Damaged Non English - $41.10