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
Curse Artifact 2BBEnchantment — Aura Enchant artifact At the beginning of the upkeep of enchanted artifact's controller, Curse Artifact deals 2 damage to that player unless they sacrifice that artifact.
Memory Leak 2BSorcery Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. Cycling {1} ({1}, Discard this card: Draw a card.)
Stenn, Paranoid Partisan WULegendary Creature — Human Wizard As Stenn, Paranoid Partisan enters the battlefield, choose a card type other than creature or land. Spells you cast of the chosen type cost {1} less to cast. {1}{W}{U}: Exile Stenn. Return it to the battlefield under its owner's control at the beginning of the next end step. 2/2
Tectonic Instability 2REnchantment Whenever a land enters the battlefield, tap all lands its controller controls.
Master of Predicaments 3UUCreature — Sphinx Flying Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost. 4/4
Vodalian War Machine 1UUCreature — Wall Defender (This creature can't attack.) Tap an untapped Merfolk you control: Vodalian War Machine can attack this turn as though it didn't have defender. Tap an untapped Merfolk you control: Vodalian War Machine gets +2/+1 until end of turn. When Vodalian War Machine dies, destroy all Merfolk tapped this turn to pay for its abilities. 0/4
Earthlore GEnchantment — Aura Enchant land you control Tap enchanted land: Target blocking creature gets +1/+2 until end of turn. Activate only if enchanted land is untapped.
Wall of Fortune 1UArtifact Creature — Wall Defender You may tap an untapped Wall you control to have any player reroll a die that player rolled. 0/4
Accelerated Mutation 3GGInstant Target creature gets +X/+X until end of turn, where X is the highest mana value among permanents you control.
Dominus of Fealty U/RU/RU/RU/RU/RCreature — Spirit Avatar Flying At the beginning of your upkeep, you may gain control of target permanent until end of turn. If you do, untap it and it gains haste until end of turn. 4/4
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