Description
| Set: | Time Spiral |
| Type: | Legendary Land |
| Rarity: | Rare |
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.

![Gemstone Caverns [Time Spiral]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/gemstone-caverns-time-spiral.webp)
![Zodiac Monkey [Portal Three Kingdoms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/zodiac-monkey-portal-three-kingdoms.webp)
![Mana Drain [Judge Gift Cards 2016]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/fa59e472-2830-5384-8db0-b7048a2a1c23_1024x1024.webp)
![Silver Knight [Friday Night Magic 2004]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/silver-knight-friday-night-magic-2004.webp)
![Flooded Strand [Khans of Tarkir]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/flooded-strand-khans-tarkir.webp)
![Mammoth Umbra [Planechase Anthology]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/mammoth-umbra-planechase-anthology.webp)
![Sway of the Stars [Betrayers of Kamigawa]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/sway-stars-betrayers-kamigawa.webp)
![Swords to Plowshares [Fourth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/swords-to-plowshares-fourth-edition.webp)
![Conqueror's Galleon // Conqueror's Foothold (Buy-A-Box) [Ixalan Treasure Chest]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/conqueror-s-galleon-conqueror-s-foothold-buy-box-ixalan-treasure-chest.webp)