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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
Blight BBEnchantment — Aura Enchant land When enchanted land becomes tapped, destroy it.
Uncontrolled Infestation 1REnchantment — Aura Enchant nonbasic land When enchanted land becomes tapped, destroy it.
Ludevic, Necro-Alchemist 1URLegendary Creature — Human Wizard At the beginning of each player's end step, that player may draw a card if a player other than you lost life this turn. Partner (You can have two commanders if both have partner.) 1/4
Hew the Entwood 3RRSorcery Sacrifice any number of lands. Reveal the top X cards of your library, where X is the number of lands sacrificed this way. Choose any number of artifact and/or land cards revealed this way. Put all nonland cards chosen this way onto the battlefield, then put all land cards chosen this way onto the battlefield tapped, then put the rest on the bottom of your library in a random order.
Drought 2WWEnchantment At the beginning of your upkeep, sacrifice Drought unless you pay {W}{W}. Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs. Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs.
Stasis 1UEnchantment Players skip their untap steps. At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.
Erinis, Gloom Stalker 2GLegendary Creature — Halfling Ranger Deathtouch Whenever Erinis, Gloom Stalker attacks, return target land card from your graveyard to the battlefield. Choose a Background (You can have a Background as a second commander.) 3/3
Bound 3BGInstant Sacrifice a creature. Return up to X cards from your graveyard to your hand, where X is the number of colors that creature was. Exile this card.
Wildfire Devils 3RCreature — Devil When Wildfire Devils enters the battlefield and at the beginning of your upkeep, choose a player at random. That player exiles an instant or sorcery card from their graveyard. Copy that card. You may cast the copy without paying its mana cost. 4/2
Kami of Whispered Hopes 2GCreature — Spirit If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power. 1/1
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