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
The Tabernacle at Pendrell Vale Legendary Land All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."
Well-Laid Plans 2UEnchantment Prevent all damage that would be dealt to a creature by another creature if they share a color.
Excavator 2Artifact {T}, Sacrifice a basic land: Target creature gains landwalk of each of the land types of the sacrificed land until end of turn. (It can't be blocked as long as defending player controls a land of any of those types.)
Indulgent Tormentor 3BBCreature — Demon Flying At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life. 5/3
Spindrift Drake UCreature — Drake Flying At the beginning of your upkeep, sacrifice Spindrift Drake unless you pay {U}. 2/1
Coveted Jewel 6Artifact When Coveted Jewel enters the battlefield, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.
Venarian Glimmer XUInstant Target player reveals their hand. You choose a nonland card with mana value X or less from it. That player discards that card.
Ravenous Giant 2RRCreature — Giant At the beginning of your upkeep, Ravenous Giant deals 1 damage to you. 5/5
The Fall of Kroog 4RRSorcery Choose target opponent. Destroy target land that player controls. The Fall of Kroog deals 3 damage to that player and 1 damage to each creature they control.
Seizan, Perverter of Truth 3BBLegendary Creature — Demon Spirit At the beginning of each player's upkeep, that player loses 2 life and draws two cards. 6/5
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