If this card 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.
: Add . If Gemstone Caverns has a luck counter on it, instead add one mana of any color.
Gemstone Caverns, designed by Tsuyoshi Fujita during the 2005 invitational tournament, won the public vote among the users on the Wizards of the Coast website.
Vintage
Pioneer
: Add 
. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.