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
Luck Bobblehead 3Artifact — Bobblehead {T}: Add one mana of any color. {1}, {T}: Roll X six-sided dice, where X is the number of Bobbleheads you control. Create a tapped Treasure token for each even result. If you rolled 6 exactly seven times, you win the game.
Apostle's Blessing 1W/PInstant ({W/P} can be paid with either {W} or 2 life.) Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.
Shizuko, Caller of Autumn 1GGLegendary Creature — Snake Shaman At the beginning of each player's upkeep, that player adds {G}{G}{G}. Until end of turn, they don't lose this mana as steps and phases end. 2/3
Undercellar Myconid 2GCreature — Fungus Whenever Undercellar Myconid enters the battlefield or dies, create a 1/1 green Saproling creature token. {T}: Add one mana of any color. 1/2
Root Greevil 3GCreature — Beast {2}{G}, {T}, Sacrifice Root Greevil: Destroy all enchantments of the color of your choice. 2/3
Mana Web 3Artifact Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.
Caldera Kavu 2RCreature — Kavu {1}{B}: Caldera Kavu gets +1/+1 until end of turn. {G}: Caldera Kavu becomes the color of your choice until end of turn. 2/2
Rith, the Awakener 3RGWLegendary Creature — Dragon Flying Whenever Rith, the Awakener deals combat damage to a player, you may pay {2}{G}. If you do, choose a color, then create a 1/1 green Saproling creature token for each permanent of that color. 6/6
Draconic Disciple 1RGCreature — Human Shaman {T}: Add one mana of any color. {7}, {T}, Sacrifice Draconic Disciple: Create a 5/5 red Dragon creature token with flying. 2/2
A-Llanowar Loamspeaker 1GCreature — Elf Druid {T}: Add one mana of any color. {T}: Target land you control becomes a 4/4 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery. 1/3
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