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
Join the Dead 1BBInstant Target creature gets -5/-5 until end of turn. Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.
Wandering Eye 2UCreature — Illusion Flying Players play with their hands revealed. 1/3
Nissa, Who Shakes the World 3GGLegendary Planeswalker — Nissa Whenever you tap a Forest for mana, add an additional {G}. [+1]: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land. [−8]: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle. Loyalty 5
Brazen Cannonade 3REnchantment Whenever an attacking creature you control dies, Brazen Cannonade deals 2 damage to each opponent. Raid — At the beginning of your postcombat main phase, if you attacked with a creature this turn, exile the top card of your library. Until end of combat on your next turn, you may play that card.
Dispersal 3UBInstant Each opponent returns a nonland permanent they control with the highest mana value among permanents they control to its owner's hand, then discards a card.
Relic Barrier 2Artifact {T}: Tap target artifact.
Nafs Asp GCreature — Snake Whenever Nafs Asp deals damage to a player, that player loses 1 life at the beginning of their next draw step unless they pay {1} before that draw step. 1/1
Ogre Marauder 1BBCreature — Ogre Warrior Whenever Ogre Marauder attacks, it gains "Ogre Marauder can't be blocked" until end of turn unless defending player sacrifices a creature. 3/1
Overblaze 3RInstant — Arcane Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Ancient Kavu 3RCreature — Kavu {2}: Ancient Kavu becomes colorless until end of turn. 3/3
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