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
Keeper of the Flame RRCreature — Human Wizard {R}, {T}: Choose target opponent who had more life than you did as you activated this ability. Keeper of the Flame deals 2 damage to that player. 1/2
Werewolf Ransacker Creature — Werewolf Whenever this creature transforms into Werewolf Ransacker, you may destroy target artifact. If that artifact is put into a graveyard this way, Werewolf Ransacker deals 3 damage to that artifact's controller. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Werewolf Ransacker. 5/4
Mistform Mutant 4UUCreature — Illusion Mutant {1}{U}: Choose a creature type other than Wall. Target creature becomes that type until end of turn. 3/4
Into the Wilds 3GEnchantment At the beginning of your upkeep, look at the top card of your library. If it's a land card, you may put it onto the battlefield.
Revel in Riches 4BEnchantment Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") At the beginning of your upkeep, if you control ten or more Treasures, you win the game.
Cosmic Horror 3BBBCreature — Horror First strike At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you. 7/7
Verdant Force 5GGGCreature — Elemental At the beginning of each upkeep, create a 1/1 green Saproling creature token. 7/7
Abeyance 1WInstant Until end of turn, target player can't cast instant or sorcery spells, and that player can't activate abilities that aren't mana abilities. Draw a card.
Wave of Terror 2BEnchantment Cumulative upkeep {1} (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 draw step, destroy each creature with mana value equal to the number of age counters on Wave of Terror. They can't be regenerated.
Jenson Carthalion, Druid Exile GWLegendary Creature — Human Druid Whenever you cast a multicolored spell, scry 1. If that spell was all colors, create a 4/4 white Angel creature token with flying and vigilance. {5}, {T}: Add {W}{U}{B}{R}{G}. 2/2
Page 225