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
Council Guardian 5WCreature — Giant Soldier Will of the council — When Council Guardian enters the battlefield, starting with you, each player votes for blue, black, red, or green. Council Guardian gains protection from each color with the most votes or tied for most votes. 5/5
Study Hall Land {T}: Add {C}. {1}, {T}: Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game.
Might of the Nephilim 1GInstant Target creature gets +2/+2 until end of turn for each of its colors.
Alchor's Tomb 4Artifact {2}, {T}: Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)
Foreboding Statue 3Artifact Creature — Construct {T}: Add one mana of any color. Put an omen counter on Foreboding Statue. At the beginning of your end step, if there are three or more omen counters on Foreboding Statue, untap it, then transform it. 1/2
Ally Encampment Land {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Ally spell. {1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand.
Scene of the Crime Artifact Land — Clue Scene of the Crime enters the battlefield tapped. {T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color. {2}, Sacrifice Scene of the Crime: Draw a card.
Henge Walker 3Artifact Creature — Golem Adamant — If at least three mana of the same color was spent to cast this spell, Henge Walker enters the battlefield with a +1/+1 counter on it. 2/2
Paradise Mantle 0Artifact — Equipment Equipped creature has "{T}: Add one mana of any color." Equip {1}
Equipoise 2WEnchantment At the beginning of your upkeep, for each land target player controls in excess of the number you control, choose a land that player controls, then the chosen permanents phase out. Repeat this process for artifacts and creatures. (While they're phased out, they're treated as though they don't exist. They phase in before that player untaps during their next untap step.)
Page 46