Hall of Gemstone [Mirage] 24a Set: Sword & Shield: Fusion

Set: Sword & Shield: Fusion Strike Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

Set: Diamond & Pearl: Majestic Dawn Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Scarlet & Violet: Base Set Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Prize Pack Series One Type: Darkness Rarity: Common Retreat cost: Colorless

Set: EX: Holon Phantoms Type: Lightning Rarity: Rare Retreat cost: Colorless

Hall of Gemstone [Mirage] 24a Set: Sword & Shield: FusionSet: Mirage Type: World Enchantment Rarity: Rare Cost: {1}{G}{G} At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color.