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
Ring of Gix 3Artifact Echo {3} (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.) {1}, {T}: Tap target artifact, creature, or land.
Agent of Shauku 1BCreature — Human Mercenary {1}{B}, Sacrifice a land: Target creature gets +2/+0 until end of turn. 1/1
Creeping Bloodsucker 1BCreature — Vampire At the beginning of your upkeep, Creeping Bloodsucker deals 1 damage to each opponent. You gain life equal to the damage dealt this way. 1/2
Pretender's Claim 1BEnchantment — Aura Enchant creature Whenever enchanted creature becomes blocked, tap all lands defending player controls.
Echoing Equation 3UUSorcery Choose target creature you control. Each other creature you control becomes a copy of it until end of turn, except those creatures aren't legendary.
Precognition 4UEnchantment At the beginning of your upkeep, you may look at the top card of target opponent's library. If you do, you may put that card on the bottom of that player's library.
Pirate's Landing RSorcery Draw a card. If mana from a Treasure was spent to cast this spell, seek a Pirate card instead.
Mind Games UInstant Buyback {2}{U} (You may pay an additional {2}{U} as you cast this spell. If you do, put this card into your hand as it resolves.) Tap target artifact, creature, or land.
A-Visions of Phyrexia 2RREnchantment At the beginning of your upkeep, exile the top two cards of your library. Until your next end step, you may play one of those cards. At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
Jetmir's Fixer RGCreature — Cat Warrior {R}{G}: Jetmir's Fixer gets +1/+1 until end of turn. If mana from a Treasure was spent to activate this ability, put a +1/+1 counter on Jetmir's Fixer instead. 2/2
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