Card Codex

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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
Temple of the Dragon Queen Land As Temple of the Dragon Queen enters the battlefield, you may reveal a Dragon card from your hand. Temple of the Dragon Queen enters the battlefield tapped unless you revealed a Dragon card this way or you control a Dragon. As Temple of the Dragon Queen enters the battlefield, choose a color. {T}: Add one mana of the chosen color.
Chromatic Lantern 3Artifact Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.
Sceptre of Eternal Glory 4Legendary Artifact {T}: Add one mana of any color. {T}: Add three mana of any one color. Activate only if you control three or more lands with the same name.
A-Carnelian Orb of Dragonkind 2RArtifact {T}: Add one mana of any color. If that mana is spent on a Dragon creature spell, it gains haste until end of turn.
Rootcoil Creeper GUCreature — Plant Horror {T}: Add one mana of any color. {T}: Add two mana of any one color. Spend this mana only to cast spells from your graveyard. {G}{U}, {T}, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand. 2/2
Replicating Ring 3Snow Artifact {T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."
Pillar of Origins 2Artifact As Pillar of Origins enters the battlefield, choose a creature type. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
Birchlore Rangers GCreature — Elf Druid Ranger Tap two untapped Elves you control: Add one mana of any color. Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 1/1
Plaza of Heroes Land {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.
Seht's Tiger 2WWCreature — Cat Flash (You may cast this spell any time you could cast an instant.) When Seht's Tiger enters the battlefield, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.) 3/3
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