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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
Richard Garfield, Ph.D. 3UULegendary Creature — Human Designer You may play cards as though they were other cards of your choice with the same mana cost. You can't choose the same card twice. (Mana cost includes color.) 2/2
Ruham Djinn 5WCreature — Djinn First strike Ruham Djinn gets -2/-2 as long as white is the most common color among all permanents or is tied for most common. 5/5
Niv-Mizzet, Supreme WUBRGLegendary Creature — Dragon Avatar Flying, hexproof from monocolored Each instant and sorcery card in your graveyard that's exactly two colors has jump-start. (You may cast that card from your graveyard by discarding a card in addition to paying its other costs. Then exile it.) 5/5
Kruphix, God of Horizons 3GULegendary Enchantment Creature — God Indestructible As long as your devotion to green and blue is less than seven, Kruphix isn't a creature. You have no maximum hand size. If you would lose unspent mana, that mana becomes colorless instead. 4/7
Dauntless Bodyguard WCreature — Human Knight As Dauntless Bodyguard enters the battlefield, choose another creature you control. Sacrifice Dauntless Bodyguard: The chosen creature gains indestructible until end of turn. 2/1
Brilliant Spectrum 3USorcery Converge — Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards.
Ghirapur Orrery 4Artifact Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.
Gluetius Maximus 3GGCreature — Beast As Gluetius Maximus enters the battlefield, an opponent chooses one of your fingers. (Thumbs are fingers, too.) When the chosen finger isn't touching Gluetius Maximus, sacrifice Gluetius Maximus. 5/5
Sheoldred, Whispering One 5BBLegendary Creature — Phyrexian Praetor Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature. 6/6
World Queller 3WWCreature — Avatar At the beginning of your upkeep, you may choose a card type. If you do, each player sacrifices a permanent of that type. 4/4
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