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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
Mammoth Growth 2GInstant Target creature gets +4/+4 until end of turn. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Rebuild the City 3BRGSorcery Choose target land. Create three tokens that are copies of it, except they're 3/3 creatures in addition to their other types and they have vigilance and menace. (They're affected by summoning sickness.)
Netherese Puzzle-Ward 3UEnchantment Focus Beam — At the beginning of your upkeep, roll a d4. Scry X, where X is the result. Perfect Illumination — Whenever you roll a die's highest natural result, draw a card.
Zzzyxas's Abyss 1BBEnchantment At the beginning of your upkeep, destroy all nonland permanents with the first name alphabetically among nonland permanents.
Blind Creeper 1BCreature — Zombie Beast Whenever a player casts a spell, Blind Creeper gets -1/-1 until end of turn. 3/3
Rolling Spoil 2GGSorcery Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn.
Thick-Skinned Goblin 1RCreature — Goblin Shaman You may pay {0} rather than pay the echo cost for permanents you control. {R}: Thick-Skinned Goblin gains protection from red until end of turn. 2/1
Impulsive Charge Sorcery At the beginning of combat this turn, all Revelers gain haste until end of turn and attack this combat if able.
Michiko Konda, Truth Seeker 3WLegendary Creature — Human Advisor Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent. 2/2
Seraphic Greatsword 1WArtifact — Equipment Equipped creature gets +2/+2. Whenever equipped creature attacks the player with the most life or tied for most life, create a 4/4 white Angel creature token with flying that's tapped and attacking that player. Equip {4}
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