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 - $79.70
Lightly Played - $75.70
Moderately Played - $71.70
Heavily Played - $63.70
Damaged - $51.80
NM-Mint Non English - $79.70
Lightly Played Non English - $75.70
Moderately Played Non English - $71.70
Heavily Played Non English - $63.70
Damaged Non English - $51.80