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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
Oasis Ritualist 3GCreature — Naga Druid {T}: Add one mana of any color. {T}, Exert Oasis Ritualist: Add two mana of any one color. (An exerted creature won't untap during your next untap step.) 2/4
Commander's Plate 1Artifact — Equipment Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}
Dawn's Reflection 3GEnchantment — Aura Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.
Market Festival 3GEnchantment — Aura Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.
Shire Scarecrow 2Artifact Creature — Scarecrow Defender {1}: Add one mana of any color. Activate only once each turn. 0/3
Inherited Envelope 3Artifact When Inherited Envelope enters the battlefield, the Ring tempts you. {T}: Add one mana of any color.
Deathbloom Gardener 2GCreature — Elf Druid Deathtouch {T}: Add one mana of any color. 1/1
Star Compass 2Artifact Star Compass enters the battlefield tapped. {T}: Add one mana of any color that a basic land you control could produce.
Glittering Frost 2GSnow Enchantment — Aura Enchant land Enchanted land is snow. Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.
Prismatic Circle 2WEnchantment Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) As Prismatic Circle enters the battlefield, choose a color. {1}: The next time a source of your choice of the chosen color would deal damage to you this turn, prevent that damage.
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