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
Corrupted Zendikon 1BEnchantment — Aura Enchant land Enchanted land is a 3/3 black Ooze creature. It's still a land. When enchanted land dies, return that card to its owner's hand.
Azor's Elocutors 3W/UW/UCreature — Human Advisor At the beginning of your upkeep, put a filibuster counter on Azor's Elocutors. Then if Azor's Elocutors has five or more filibuster counters on it, you win the game. Whenever a source deals damage to you, remove a filibuster counter from Azor's Elocutors. 3/5
Pact of the Titan 0Instant Create a 4/4 red Giant creature token. At the beginning of your next upkeep, pay {4}{R}. If you don't, you lose the game.
Dauthi Embrace 2BEnchantment {B}{B}: Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)
Lossarnach Captain 3WCreature — Human Soldier First strike Whenever Lossarnach Captain or another Human enters the battlefield under your control, tap target creature an opponent controls. At the beginning of your upkeep, create a 1/1 white Human Soldier creature token. 3/1
Marvo, Deep Operative 3UBLegendary Creature — Octopus Rogue Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) Whenever you win a clash, draw a card. Then you may cast a spell from your hand with mana value 8 or less without paying its mana cost. 1/8
Embodiment of Fury 3RCreature — Elemental Trample Land creatures you control have trample. Landfall — Whenever a land enters the battlefield under your control, you may have target land you control become a 3/3 Elemental creature with haste until end of turn. It's still a land. 4/3
Avalanche Caller 1USnow Creature — Human Wizard {2}: Target snow land you control becomes a 4/4 Elemental creature with hexproof and haste until end of turn. It's still a land. (A creature with hexproof can't be the target of spells or abilities your opponents control.) 1/3
Incite RInstant Target creature becomes red until end of turn and attacks this turn if able.
Guardian Zendikon 2WEnchantment — Aura Enchant land Enchanted land is a 2/6 white Wall creature with defender. It's still a land. When enchanted land dies, return that card to its owner's hand.
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