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.
Near Mint - $67.80
Lightly Played - $61.00
Played - $47.50
Heavily Played - $40.70
Damaged - $33.90
Near Mint Non-English - $67.80
Lightly Played Non-English - $61.00
Played Non-English - $47.50
Heavily Played Non-English - $40.70
Damaged Non-English - $33.90