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
Court of Ambition 2BBEnchantment When Court of Ambition enters the battlefield, you become the monarch. At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.
Apocalypse Demon 4BBCreature — Demon Flying Apocalypse Demon's power and toughness are each equal to the number of cards in your graveyard. At the beginning of your upkeep, tap Apocalypse Demon unless you sacrifice another creature. */*
Hedron Alignment 2UEnchantment Hexproof At the beginning of your upkeep, you may reveal your hand. If you do, you win the game if you own a card named Hedron Alignment in exile, in your hand, in your graveyard, and on the battlefield. {1}{U}: Scry 1.
Venser's Journal 5Artifact You have no maximum hand size. At the beginning of your upkeep, you gain 1 life for each card in your hand.
Cerebral Eruption 2RRSorcery Target opponent reveals the top card of their library. Cerebral Eruption deals damage equal to the revealed card's mana value to that player and each creature that player controls. If a land card is revealed this way, return Cerebral Eruption to its owner's hand.
Convalescent Care 1WWEnchantment At the beginning of your upkeep, if you have 5 or less life, you gain 3 life and draw a card.
Cheering Fanatic 1RCreature — Goblin Whenever Cheering Fanatic attacks, choose a card name. Spells with the chosen name cost {1} less to cast this turn. 2/2
Stillmoon Cavalier 1W/BW/BCreature — Zombie Knight Protection from white and from black {W/B}: Stillmoon Cavalier gains flying until end of turn. {W/B}: Stillmoon Cavalier gains first strike until end of turn. {W/B}{W/B}: Stillmoon Cavalier gets +1/+0 until end of turn. 2/1
Blacksmith's Skill WInstant Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.
Heroic Intervention 1GInstant Permanents you control gain hexproof and indestructible until end of turn.
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