Gemstone Caverns [The List] Basic Lightning Energy Spells your opponents cast during

Spells your opponents cast during your turn cost {1} more to cast

Set: Box Topper Type: Darkness Rarity: Promo Retreat cost: Colorless

a race of humanoid rabbits

[Mechanically Savvy] While you have 3 or more items in play

Gemstone Caverns [The List] Basic Lightning Energy Spells your opponents cast duringSet: The List 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.