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
Aura Flux 2UEnchantment Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}."
Arcades Sabboth 2GGWWUULegendary Creature — Elder Dragon Flying At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay {G}{W}{U}. Each untapped creature you control gets +0/+2 as long as it's not attacking. {W}: Arcades Sabboth gets +0/+1 until end of turn. 7/7
Haazda Shield Mate 2WCreature — Human Soldier At the beginning of your upkeep, sacrifice Haazda Shield Mate unless you pay {W}{W}. {W}: The next time a source of your choice would deal damage to you this turn, prevent that damage. 1/1
Ticking Mime Bomb 3RArtifact Creature — Clown Robot Mime When Ticking Mime Bomb enters the battlefield, without speaking or indicating any specific creature, pantomime to a person outside the game, then they choose a creature you don't control. Ticking Mime Bomb deals damage equal to twice the number of Robots you control to the chosen creature. 2/2
Penregon Besieged 1BEnchantment At the beginning of your end step, choose a creature with the least toughness among creatures your opponents control. It perpetually gets -1/-1. When your opponents control no creatures, sacrifice Penregon Besieged.
Viseling 4Artifact Creature — Phyrexian Construct At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in their hand minus 4. 2/2
Soul of Windgrace 1BRGLegendary Creature — Cat Avatar Whenever Soul of Windgrace enters the battlefield or attacks, you may put a land card from a graveyard onto the battlefield tapped under your control. {G}, Discard a land card: You gain 3 life. {1}{R}, Discard a land card: Draw a card. {2}{B}, Discard a land card: Soul of Windgrace gains indestructible until end of turn. Tap it. 5/4
Tectonic Break XRRSorcery Each player sacrifices X lands.
Bell Borca, Spectral Sergeant 2RWLegendary Creature — Spirit Soldier Note the mana value of each card as it's put into exile. Bell Borca, Spectral Sergeant's power is equal to the greatest number noted for it this turn. At the beginning of your upkeep, exile the top card of your library. You may play that card this turn. */5
Shining Shoal XWWInstant — Arcane You may exile a white card with mana value X from your hand rather than pay this spell's mana cost. The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead.
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