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 - $71.40
Lightly Played - $64.20
Played - $50.00
Heavily Played - $42.80
Damaged - $35.70
Near Mint Non-English - $71.40
Lightly Played Non-English - $64.20
Played Non-English - $50.00
Heavily Played Non-English - $42.80
Damaged Non-English - $35.70