Gemstone Caverns

Legendary Land   

If Gemstone Caverns is in your opening hand and you're not playing first, 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 to your mana pool. If Gemstone Caverns has a luck counter on it, instead add one mana of any color to your mana pool.

274 TSP • ENMartina Pilcerova

™ & © 1993—2006 Wizards of the Coast

Legal in: Modern,Time Spiral Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Gemstone Caverns Legendary Land If Gemstone Caverns is in your opening hand and you're not playing first, 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} to your mana pool. If Gemstone Caverns has a luck counter on it, instead add one mana of any color to your mana pool.

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View this MTG card on Gatherer

9/25/2006
After all players have decided not to take any more mulligans, players choose whether to put Leylines and/or Gemstone Caverns onto the battlefield, starting with the player who will be going first and proceeding in turn order. Each player may choose any number of Leylines and/or Gemstone Caverns. The cards are revealed and put onto the battlefield at the same time.
6/1/2011
Your "opening hand" is the hand of cards you decide to start the game with after taking any mulligans.
6/1/2011
After all players have decided not to take any more mulligans, if the starting player has any cards that allow actions to be taken with them from a player's opening hand, that player may take the actions of any of those cards. The starting player repeats this, taking all actions he or she wishes to, one at a time. Then each other player in turn order may do the same. After each player has exercised his or her option to take actions from his or her opening hand, the first turn of the game begins.
7/1/2013
If multiple Gemstone Caverns are put onto the battlefield under a single player's control before the game begins, the "legend rule" won't put the extras into that player's graveyard until just before the first player gets priority during his or her first upkeep step. There's no opportunity to tap the extras for mana.

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Card Gemstone Caverns is not on TCGPlayer.