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
Cascading Cataracts Land Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.
Haven of the Spirit Dragon Land {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice Haven of the Spirit Dragon: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.
Roilmage's Trick 3UInstant Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell. Draw a card.
Viconia, Disciple of Violence 1BRLegendary Creature — Elf Cleric When this creature specializes, conjure a duplicate of target creature card exiled with this creature into your hand. The duplicate perpetually gets +1/+0 and gains haste and "You may spend mana as though it were mana of any color to cast this spell." {1}: Exile target card from a graveyard. 3/4
You Find Some Prisoners 1RInstant Choose one — • Break Their Chains — Destroy target artifact. • Interrogate Them — Exile the top three cards of target opponent's library. Choose one of them. Until the end of your next turn, you may play that card, and you may spend mana as though it were mana of any color to cast it.
Primal Beyond Land As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Primal Beyond enters the battlefield tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Elemental spell or activate an ability of an Elemental.
Klauth, Unrivaled Ancient 5RGLegendary Creature — Dragon Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4
Bind to Secrecy UBInstant Choose one — • Counter target noncreature spell. • Conjure a duplicate of target creature card in an opponent's graveyard into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." If there are five or more mana values among cards in your graveyard, draft a card from Bind to Secrecy's spellbook.
Prism Array 4UEnchantment Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it. Remove a crystal counter from Prism Array: Tap target creature. {W}{U}{B}{R}{G}: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
Wash Out 3USorcery Return all permanents of the color of your choice to their owners' hands.
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