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
Pyromancer's Swath 2REnchantment If an instant or sorcery source you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead. At the beginning of each end step, discard your hand.
Bonus Round 1RRSorcery Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.
Supreme Inquisitor 3UUCreature — Human Wizard Tap five untapped Wizards you control: Search target player's library for up to five cards and exile them. Then that player shuffles. 1/3
A-Fires of Invention 4REnchantment You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs.
Fires of Invention 3REnchantment You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs.
Zndrsplt, Eye of Wisdom 4ULegendary Creature — Homunculus Partner with Okaun, Eye of Chaos (When this creature enters the battlefield, target player may put Okaun into their hand from their library, then shuffle.) At the beginning of combat on your turn, flip a coin until you lose a flip. Whenever a player wins a coin flip, draw a card. 1/4
Ordruun Mentor 2R/WCreature — Minotaur Soldier Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Whenever you attack a player, target creature that's attacking that player gains first strike until end of turn. 3/2
Knight of Dusk's Shadow 1BCreature — Human Knight Menace (This creature can't be blocked except by two or more creatures.) Your opponents can't gain life. {1}{B}: Knight of Dusk's Shadow gets +1/+1 until end of turn. 2/2
Reap Intellect X2UBSorcery Target opponent reveals their hand. You choose up to X nonland cards from it and exile them. For each card exiled this way, search that player's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles.
Rocco, Street Chef RGWLegendary Creature — Elf Druid At the beginning of your end step, each player exiles the top card of their library. Until your next end step, each player may play the card they exiled this way. Whenever a player plays a land from exile or casts a spell from exile, you put a +1/+1 counter on target creature and create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") 2/4
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