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
Lavabrink Venturer 2WCreature — Human Soldier As Lavabrink Venturer enters the battlefield, choose odd or even. (Zero is even.) Lavabrink Venturer has protection from each mana value of the chosen quality. 3/3
Extinction Event 3BSorcery Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)
Clam Session 1UUCreature — Clamfolk As Clam Session enters the battlefield, choose a word. At the beginning of your upkeep, you may sing at least six words of a song, at least one of which is the chosen word. If you don't, sacrifice Clam Session. You can't repeat a song. 2/5
Illusionary Presence 1UUCreature — Illusion Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, choose a land type. Illusionary Presence gains landwalk of the chosen type until end of turn. (It can't be blocked as long as defending player controls a land of that type.) 2/2
Armored Scrapgorger 1GCreature — Phyrexian Beast Armored Scrapgorger gets +3/+0 as long as it has three or more oil counters on it. {T}: Add one mana of any color. Whenever Armored Scrapgorger becomes tapped, exile target card from a graveyard and put an oil counter on Armored Scrapgorger. 0/3
Soul of Ravnica 4UUCreature — Avatar Flying {5}{U}{U}: Draw a card for each color among permanents you control. {5}{U}{U}, Exile Soul of Ravnica from your graveyard: Draw a card for each color among permanents you control. 6/6
Forsaken City Land Forsaken City doesn't untap during your untap step. At the beginning of your upkeep, you may exile a card from your hand. If you do, untap Forsaken City. {T}: Add one mana of any color.
Pandora's Box 5Artifact {3}, {T}: Choose a random summon card from all players' decks. For each player, flip a coin. If the flip ends up heads, put a token creature into play and treat it as though an exact copy of the chosen summon card were just played.
A-Base Camp Land {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Cleric, Rogue, Warrior, or Wizard spell or to activate an ability of a Cleric, Rogue, Warrior, or Wizard.
Utopia Mycon GCreature — Fungus At the beginning of your upkeep, put a spore counter on Utopia Mycon. Remove three spore counters from Utopia Mycon: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: Add one mana of any color. 0/2
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