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17 May 2024: Card library updated.

Hall of Gemstone

1GG · World Enchantment

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.

Similar cards

Color identity:
NameManaTypeText
Guardian Archon 4WWCreature — Archon Flying As Guardian Archon enters the battlefield, secretly choose an opponent. Reveal the player you chose: You and target permanent you control each gain protection from the chosen player until end of turn. Activate only once. 5/5
Gravestone Strider 2Artifact Creature — Golem {1}: Add one mana of any color. Activate only once each turn. {2}, Exile Gravestone Strider from your graveyard: Exile target card from a graveyard. 1/3
Teferi's Realm 1UUWorld Enchantment At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)
Abundant Growth GEnchantment — Aura Enchant land When Abundant Growth enters the battlefield, draw a card. Enchanted land has "{T}: Add one mana of any color."
Urban Utopia 1GEnchantment — Aura Enchant land When Urban Utopia enters the battlefield, draw a card. Enchanted land has "{T}: Add one mana of any color."
Meeting of the Five 3WUBRGSorcery Exile the top ten cards of your library. You may cast spells with exactly three colors from among them this turn. Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Spend this mana only to cast spells with exactly three colors.
Deep Water UUEnchantment {U}: Until end of turn, if you tap a land you control for mana, it produces {U} instead of any other type.
Black Lotus 0Artifact {T}, Sacrifice Black Lotus: Add three mana of any one color.
Empty-Shrine Kannushi WCreature — Human Cleric Empty-Shrine Kannushi has protection from the colors of permanents you control. 1/1
Abandoned Outpost Land Abandoned Outpost enters the battlefield tapped. {T}: Add {W}. {T}, Sacrifice Abandoned Outpost: Add one mana of any color.
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