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
Endless Wurm 3GGCreature — Wurm Trample At the beginning of your upkeep, sacrifice Endless Wurm unless you sacrifice an enchantment. 9/9
Natural Affinity 2GInstant All lands become 2/2 creatures until end of turn. They're still lands.
Thought Hemorrhage 2BRSorcery Choose a nonland card name. Target player reveals their hand. Thought Hemorrhage deals 3 damage to that player for each card with the chosen name revealed this way. Search that player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.
Grim Feast 1BGEnchantment At the beginning of your upkeep, Grim Feast deals 1 damage to you. Whenever a creature is put into an opponent's graveyard from the battlefield, you gain life equal to its toughness.
Lynde, Cheerful Tormentor 1UBRLegendary Creature — Human Warlock Deathtouch Whenever a Curse is put into your graveyard from the battlefield, return it to the battlefield attached to you at the beginning of the next end step. At the beginning of your upkeep, you may attach a Curse attached to you to one of your opponents. If you do, draw two cards. 2/4
Toll of the Invasion 2BSorcery Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Anointed Deacon 4BCreature — Vampire Cleric At the beginning of combat on your turn, you may have target Vampire get +2/+0 until end of turn. 3/3
Forethought Amulet 5Artifact At the beginning of your upkeep, sacrifice Forethought Amulet unless you pay {3}. If an instant or sorcery source would deal 3 or more damage to you, it deals 2 damage to you instead.
Mudhole 2RInstant Target player exiles all land cards from their graveyard.
Egon, God of Death 2BLegendary Creature — God Deathtouch At the beginning of your upkeep, exile two cards from your graveyard. If you can't, sacrifice Egon and draw a card. 6/6
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