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
Conspiracy 3BBEnchantment As Conspiracy enters the battlefield, choose a creature type. Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
Medomai's Prophecy 1UEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Scry 2. II — Choose a card name. III — When you cast a spell with the chosen name for the first time this turn, draw two cards. IV — Look at the top card of each player's library.
Sustenance 1GEnchantment {1}, Sacrifice a land: Target creature gets +1/+1 until end of turn.
Kuro, Pitlord 6BBBLegendary Creature — Demon Spirit At the beginning of your upkeep, sacrifice Kuro, Pitlord unless you pay {B}{B}{B}{B}. Pay 1 life: Target creature gets -1/-1 until end of turn. 9/9
Flameshot 3RSorcery You may discard a Mountain card rather than pay this spell's mana cost. Flameshot deals 3 damage divided as you choose among one, two, or three target creatures.
Outbreak 3BSorcery You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn.
Meddling Mage WUCreature — Human Wizard As Meddling Mage enters the battlefield, choose a nonland card name. Spells with the chosen name can't be cast. 2/2
Sheltered Valley Land If Sheltered Valley would enter the battlefield, instead sacrifice each other permanent named Sheltered Valley you control, then put Sheltered Valley onto the battlefield. At the beginning of your upkeep, if you control three or fewer lands, you gain 1 life. {T}: Add {C}.
Heretic's Punishment 4REnchantment {3}{R}: Choose any target, then mill three cards. Heretic's Punishment deals damage to that permanent or player equal to the highest mana value among the milled cards.
Pyrokinesis 4RRInstant You may exile a red card from your hand rather than pay this spell's mana cost. Pyrokinesis deals 4 damage divided as you choose among any number of target creatures.
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