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
Haruspex 3GCreature — Tyranid Rapacious Hunger — Whenever another creature dies, put a +1/+1 counter on Haruspex. Devouring Monster — {T}, Remove X +1/+1 counters from Haruspex: Add X mana of any one color. 2/2
Mind Extraction 2BSorcery As an additional cost to cast this spell, sacrifice a creature. Target player reveals their hand and discards all cards of each of the sacrificed creature's colors.
Blitzwing, Adaptive Assailant Legendary Artifact — Vehicle Living metal (As long as it's your turn, this Vehicle is also a creature.) At the beginning of combat on your turn, choose flying or indestructible at random. Blitzwing gains that ability until end of turn. Whenever Blitzwing deals combat damage to a player, convert it. 3/5
Balduvian Rage XRInstant Target attacking creature gets +X/+0 until end of turn. Draw a card at the beginning of the next turn's upkeep.
From the Rubble 4WWEnchantment As From the Rubble enters the battlefield, choose a creature type. At the beginning of your end step, return target creature card of the chosen type from your graveyard to the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)
Nardole, Resourceful Cyborg 1ULegendary Artifact Creature — Scientist {T}: Add {U} for each counter on Nardole. Spend this mana only to cast noncreature spells. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) Doctor's companion (You can have two commanders if the other is the Doctor.) 1/2
Obsidian Acolyte 1WCreature — Human Cleric Protection from black {W}: Target creature gains protection from black until end of turn. 1/1
Geist of the Archives 2UCreature — Spirit Defender At the beginning of your upkeep, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) 0/4
Archon of Emeria 2WCreature — Archon Flying Each player can't cast more than one spell each turn. Nonbasic lands your opponents control enter the battlefield tapped. 2/3
Rust Elemental 4Artifact Creature — Elemental Flying At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life. 4/4
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