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
Regna's Sanction 3WSorcery For each player, choose friend or foe. Each friend puts a +1/+1 counter on each creature they control. Each foe chooses one untapped creature they control, then taps the rest.
Victimize 2BSorcery Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.
The Grand Calcutron WULegendary Artifact The Grand Calcutron can be your commander. When The Grand Calcutron enters the battlefield, each player's hand becomes a program (an ordered row of revealed cards). Players can only play the first card of their program. If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead. At the beginning of each player's end step, if that player's program has fewer than five cards, they draw cards equal to the difference.
Hag of Dark Duress 2BCreature — Hag Warlock At the beginning of your upkeep, each opponent discards a card. 2/2
Nature's Embrace 2GEnchantment — Aura Enchant creature or land As long as enchanted permanent is a creature, it gets +2/+2. As long as enchanted permanent is a land, it has "{T}: Add two mana of any one color."
Double Deal 4RSorcery Choose another player. Double Deal deals 3 damage to that player. At the beginning of the first upkeep in your next game with that player, Double Deal deals 3 damage to the player.
Havoc Festival 4BREnchantment Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.
Vaporous Djinn 2UUCreature — Djinn Flying At the beginning of your upkeep, Vaporous Djinn phases out unless you pay {U}{U}. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.) 3/4
Call of the Ring 1BEnchantment At the beginning of your upkeep, the Ring tempts you. Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.
Gabriel Angelfire 3GGWWLegendary Creature — Angel At the beginning of your upkeep, choose flying, first strike, trample, or rampage 3. Gabriel Angelfire gains that ability until your next upkeep. (Whenever a creature with rampage 3 becomes blocked, it gets +3/+3 until end of turn for each creature blocking it beyond the first.) 4/4
Page 108