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
Keeper of the Light WWCreature — Human Wizard {W}, {T}: Choose target opponent who had more life than you did as you activated this ability. You gain 3 life. 1/2
Combat Calligrapher 3WCreature — Bird Cleric Flying Inklings can't attack you or planeswalkers you control. Whenever a player attacks one of your opponents, that attacking player creates a tapped 2/1 white and black Inkling creature token with flying that's attacking that opponent. 3/3
Genestealer Locus 3UCreature — Tyranid Human Neurotraumal Rod — Whenever a creature attacks you, it gets -1/-0 until end of turn. Whenever a creature attacks one of your opponents, it gets +0/+1 until end of turn. 3/3
Hostile Negotiations 3BInstant Exile the top three cards of your library in a face-down pile, then exile the top three cards of your library in another face-down pile. Look at the cards in each pile, then turn a pile of your choice face up. An opponent chooses one of those piles. Put all cards in the chosen pile into your hand and the rest into your graveyard. You lose 3 life.
A-Earthquake Dragon 14GCreature — Elemental Dragon This spell costs {X} less to cast, where X is the total mana value of Dragons you control not named Earthquake Dragon. Flying, trample {2}{G}, Sacrifice a land: Return A-Earthquake Dragon from your graveyard to your hand. 10/10
Sphinx of Clear Skies 3UUCreature — Sphinx Flying, ward {2} Domain — Whenever Sphinx of Clear Skies deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.) 5/5
Eye of Doom 4Artifact When Eye of Doom enters the battlefield, each player chooses a nonland permanent and puts a doom counter on it. {2}, {T}, Sacrifice Eye of Doom: Destroy each permanent with a doom counter on it.
Barkshell Blessing G/WInstant Target creature gets +2/+2 until end of turn. Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)
Archaeomancer's Map 2WArtifact When Archaeomancer's Map enters the battlefield, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle. Whenever a land enters the battlefield under an opponent's control, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.
Fretwork Colony 1BCreature — Insect Fretwork Colony can't block. At the beginning of your upkeep, put a +1/+1 counter on Fretwork Colony and you lose 1 life. 1/1
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