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
Paragon of Modernity 4Artifact Creature — Angel Warrior Flying {3}: Paragon of Modernity gets +1/+1 until end of turn. If exactly three colors of mana were spent to activate this ability, put a +1/+1 counter on it instead. 2/2
Sculpted Sunburst 3WWSorcery Choose a creature you control, then each opponent chooses a creature they control with equal or lesser power. If you chose a creature this way, exile each creature not chosen by any player this way.
Exert Influence 4USorcery Converge — Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast this spell.
Tangle Wire 3Artifact Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.
Khalni Gem 4Artifact When Khalni Gem enters the battlefield, return two lands you control to their owner's hand. {T}: Add two mana of any one color.
Drawn Together 2WWEnchantment As Drawn Together enters the battlefield, choose an artist. Creatures with art by the chosen artist get +2/+2.
Sakura-Tribe Springcaller 3GCreature — Snake Shaman At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end. 2/4
Wizard's Rockets 1Artifact Wizard's Rockets enters the battlefield tapped. {X}, {T}, Sacrifice Wizard's Rockets: Add X mana in any combination of colors. When Wizard's Rockets is put into a graveyard from the battlefield, draw a card.
Handcuffs 3BBEnchantment As Handcuffs enters the battlefield, choose a player. When the chosen player's hands aren't touching each other, sacrifice Handcuffs and that player sacrifices three permanents.
Siphon Insight UBInstant Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. Flashback {1}{U}{B}
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