Card Codex

M:tG card similarity search

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
Extraplanar Lens 3Artifact Imprint — When Extraplanar Lens enters the battlefield, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.
Fell Beast's Shriek URSorcery Each opponent chooses a creature they control. Tap and goad the chosen creatures. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.) Splice onto instant or sorcery {2}{U}{R} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Chronicler of Worship 1GCreature — Human Monk When Chronicler of Worship enters the battlefield, put a random Shrine card from among the top seven cards of your library into your hand. It perpetually gains "This spell costs {1} less to cast." Then shuffle. {T}: Add one mana of any color. 1/1
Sheltered Aerie 2GEnchantment — Aura Enchant land Enchanted land has "{T}: Add two mana of any one color."
Phial of Galadriel 3Legendary Artifact If you would draw a card while you have no cards in hand, draw two cards instead. If you would gain life while you have 5 or less life, you gain twice that much life instead. {T}: Add one mana of any color.
Goham Djinn 5BCreature — Djinn {1}{B}: Regenerate Goham Djinn. Goham Djinn gets -2/-2 as long as black is the most common color among all permanents or is tied for most common. 5/5
Prismatic Geoscope 5Artifact Prismatic Geoscope enters the battlefield tapped. Domain — {T}: Add X mana in any combination of colors, where X is the number of basic land types among lands you control.
Morophon, the Boundless 7Legendary Creature — Shapeshifter Changeling (This card is every creature type.) As Morophon, the Boundless enters the battlefield, choose a creature type. Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay. Other creatures you control of the chosen type get +1/+1. 6/6
Double Cross 3BBSorcery Choose another player. Look at that player's hand and choose a card other than a basic land card from it. They discard that card. At the beginning of the first upkeep in your next game with that player, look at that player's hand and choose a card other than a basic land card from it. They discard that card.
Pit of Offerings Land — Cave Pit of Offerings enters the battlefield tapped. When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards. {T}: Add {C}. {T}: Add one mana of any of the exiled cards' colors.
Page 72