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
Hollow Trees Land Hollow Trees enters the battlefield tapped. You may choose not to untap Hollow Trees during your untap step. At the beginning of your upkeep, if Hollow Trees is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Hollow Trees: Add {G} for each storage counter removed this way.
Icatian Store Land Icatian Store enters the battlefield tapped. You may choose not to untap Icatian Store during your untap step. At the beginning of your upkeep, if Icatian Store is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Icatian Store: Add {W} for each storage counter removed this way.
Sand Silos Land Sand Silos enters the battlefield tapped. You may choose not to untap Sand Silos during your untap step. At the beginning of your upkeep, if Sand Silos is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Sand Silos: Add {U} for each storage counter removed this way.
Zahid, Djinn of the Lamp 4UULegendary Creature — Djinn You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost. Flying 5/6
Tortoise Formation 3UInstant Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)
Rain of Filth BInstant Until end of turn, lands you control gain "Sacrifice this land: Add {B}."
Scattering Stroke 2UUInstant Counter target spell. Clash with an opponent. If you win, at the beginning of your next main phase, you may add an amount of {C} equal to that spell's mana value. (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.)
Devoted Caretaker WCreature — Human Cleric {W}, {T}: Target permanent you control gains protection from instant spells and from sorcery spells until end of turn. 1/2
Obuun, Mul Daya Ancestor 1RGWLegendary Creature — Elf Spirit At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuun's power. It's still a land. Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target creature. 3/3
Thoughtseize BSorcery Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.
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