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
Judge Unworthy 1WInstant Choose target attacking or blocking creature. Scry 3, then reveal the top card of your library. Judge Unworthy deals damage equal to that card's mana value to that creature.
Aerie Mystics 4WCreature — Bird Wizard Flying {1}{G}{U}: Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.) 3/3
Destructive Urge 1RREnchantment — Aura Enchant creature Whenever enchanted creature deals combat damage to a player, that player sacrifices a land.
Oni Possession 2BEnchantment — Aura Enchant creature At the beginning of your upkeep, sacrifice a creature. Enchanted creature gets +3/+3 and has trample. Enchanted creature is a Demon Spirit.
Aspect of Hydra GInstant Target creature gets +X/+X until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)
One-Clown Band 1RArtifact Creature — Clown Robot Bard {2}{R}: Target Robot gets +2/+0 until end of turn. 1/3
Kitsune Diviner WCreature — Fox Cleric {T}: Tap target Spirit. 0/1
Shadowheart, Cleric of War 1BRLegendary Creature — Human Elf Cleric Deathtouch At the beginning of your end step, Shadowheart, Cleric of War deals 1 damage to each player. Whenever you lose life during your turn, Shadowheart deals that much damage to each opponent. 4/4
Tragic Fall 1BInstant Target creature gets -3/-3 until end of turn. Hellbent — That creature gets -13/-13 until end of turn instead if you have no cards in hand.
Tithe Taker 1WCreature — Human Soldier During your turn, spells your opponents cast cost {1} more to cast and abilities your opponents activate cost {1} more to activate unless they're mana abilities. Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.) 2/1
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