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 - $55.00
Lightly Played - $52.20
Moderately Played - $49.50
Heavily Played - $44.00
Damaged - $35.80
NM-Mint Non English - $55.00
Lightly Played Non English - $52.20
Moderately Played Non English - $49.50
Heavily Played Non English - $44.00
Damaged Non English - $35.80