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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
Mox Tantalite Artifact Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}: Add one mana of any color.
Govern the Guildless 5USorcery Gain control of target monocolored creature. Forecast — {1}{U}, Reveal Govern the Guildless from your hand: Target creature becomes the color or colors of your choice until end of turn. (Activate only during your upkeep and only once each turn.)
Blighted Burgeoning 2GEnchantment — Aura Enchant land When Blighted Burgeoning enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.
Viridian Acolyte GCreature — Elf Shaman {1}, {T}: Add one mana of any color. 1/1
Pentarch Ward 2WEnchantment — Aura Enchant creature As Pentarch Ward enters the battlefield, choose a color. When Pentarch Ward enters the battlefield, draw a card. Enchanted creature has protection from the chosen color. This effect doesn't remove Pentarch Ward.
Scrying Glass 2Artifact {3}, {T}: Choose a number greater than 0 and a color. Target opponent reveals their hand. If that opponent reveals exactly the chosen number of cards of the chosen color, you draw a card.
Loam Dryad GCreature — Dryad Horror {T}, Tap an untapped creature you control: Add one mana of any color. 1/2
Springleaf Drum 1Artifact {T}, Tap an untapped creature you control: Add one mana of any color.
Lotus Guardian 7Artifact Creature — Dragon Flying {T}: Add one mana of any color. 4/4
Birds of Paradise GCreature — Bird Flying {T}: Add one mana of any color. 0/1
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