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
Feast on the Fallen 2BEnchantment At the beginning of each upkeep, if an opponent lost life last turn, put a +1/+1 counter on target creature you control.
Wojek Investigator 2WCreature — Angel Detective Flying, vigilance At the beginning of your upkeep, investigate once for each opponent who has more cards in hand than you. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 2/4
Curse of the Pierced Heart 1REnchantment — Aura Curse Enchant player At the beginning of enchanted player's upkeep, Curse of the Pierced Heart deals 1 damage to that player or a planeswalker that player controls.
Maddening Wind 2GEnchantment — Aura Enchant creature Cumulative upkeep {G} (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 the upkeep of enchanted creature's controller, Maddening Wind deals 2 damage to that player.
Shapeshifter 6Artifact Creature — Shapeshifter As Shapeshifter enters the battlefield, choose a number between 0 and 7. At the beginning of your upkeep, you may choose a number between 0 and 7. Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number. */7-*
Patriarch's Bidding 3BBSorcery Each player chooses a creature type. Each player returns all creature cards of a type chosen this way from their graveyard to the battlefield.
Narcolepsy 1UEnchantment — Aura Enchant creature At the beginning of each upkeep, if enchanted creature is untapped, tap it.
Test of Endurance 2WWEnchantment At the beginning of your upkeep, if you have 50 or more life, you win the game.
Rishadan Dockhand UCreature — Merfolk Islandwalk (This creature can't be blocked as long as defending player controls an Island.) {1}, {T}: Tap target land. 1/2
Hag of Twisted Visions 2BCreature — Hag Warlock At the beginning of your upkeep, scry 2. 2/2
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