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
Call Forth the Tempest 5RRRSorcery Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.) Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn.
Infinite Hourglass 4Artifact At the beginning of your upkeep, put a time counter on Infinite Hourglass. All creatures get +1/+0 for each time counter on Infinite Hourglass. {3}: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.
Call for Aid 4RSorcery Gain control of all creatures target opponent controls until end of turn. Untap those creatures. They gain haste until end of turn. You can't attack that player this turn. You can't sacrifice those creatures this turn.
Bitterblossom 1BTribal Enchantment — Faerie At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.
Soltari Emissary 1WCreature — Soltari Soldier {W}: Soltari Emissary gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.) 2/1
Harnessed Lightning 1RInstant Choose target creature. You get {E}{E}{E} (three energy counters), then you may pay any amount of {E}. Harnessed Lightning deals that much damage to that creature.
Prakhata Pillar-Bug 3Artifact Creature — Insect {B}: Prakhata Pillar-Bug gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.) 2/3
Dralnu, Lich Lord 3UBLegendary Creature — Zombie Wizard If damage would be dealt to Dralnu, Lich Lord, sacrifice that many permanents instead. {T}: Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.) 3/3
Blustersquall UInstant Tap target creature you don't control. Overload {3}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Scepter of Dominance 1WWArtifact {W}, {T}: Tap target permanent.
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