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 - $57.90
Lightly Played - $55.00
Moderately Played - $52.10
Heavily Played - $46.30
Damaged - $37.60
NM-Mint Non English - $57.90
Lightly Played Non English - $55.00
Moderately Played Non English - $52.10
Heavily Played Non English - $46.30
Damaged Non English - $37.60