Gemstone Caverns (0016) (Borderless) [Edge of Eternities: Stellar Sights]

Rarity: Mythic 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.
T : Add C. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.