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 - $60.40
Lightly Played - $54.30
Moderately Played - $48.30
Heavily Played - $42.30
Damaged - $30.20
NM-Mint Non English - $60.40
Lightly Played Non English - $54.30
Moderately Played Non English - $48.30
Heavily Played Non English - $42.30
Damaged Non English - $30.20