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
Basalt Gargoyle 2RCreature — Gargoyle Flying Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {R}: Basalt Gargoyle gets +0/+1 until end of turn. 3/2
Pick the Brain 2BSorcery Target opponent reveals their hand. You choose a nonland card from it and exile that card. Delirium — If there are four or more card types among cards in your graveyard, search that player's graveyard, hand, and library for any number of cards with the same name as the exiled card, exile those cards, then that player shuffles.
Young Deathclaws 2BGCreature — Lizard Mutant Menace (This creature can't be blocked except by two or more creatures.) Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.) 4/2
Archpriest of Iona WCreature — Human Cleric Archpriest of Iona's power is equal to the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn. */2
Trove Warden 2WWCreature — Cat Beast Vigilance Landfall — Whenever a land enters the battlefield under your control, exile target permanent card with mana value 3 or less from your graveyard. When Trove Warden dies, put each permanent card exiled with it onto the battlefield under the control of that card's owner. 3/4
Guff Rewrites History 2RInstant For each player, choose target nonenchantment, nonland permanent that player controls. Those permanents' owners shuffle them into their libraries. Each player who controlled one of those permanents exiles cards from the top of their library until they exile a nonland card, then puts the rest on the bottom of their library in a random order. Each player may cast the nonland card they exiled without paying its mana cost.
Chandra's Revolution 3RSorcery Chandra's Revolution deals 4 damage to target creature. Tap target land. That land doesn't untap during its controller's next untap step.
Oversold Cemetery 1BEnchantment At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.
Pull 4B/RB/RSorcery Put up to two target creature cards from a single graveyard onto the battlefield under your control. They gain haste until end of turn. Sacrifice them at the beginning of the next end step.
Azusa, Lost but Seeking 2GLegendary Creature — Human Monk You may play two additional lands on each of your turns. 1/2
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