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
Howlpack Alpha Creature — Werewolf Each other creature you control that's a Werewolf or a Wolf gets +1/+1. At the beginning of your end step, create a 2/2 green Wolf creature token. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack Alpha. 3/3
Nettling Imp 2BCreature — Imp {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared. 1/1
Threats Undetected 2GSorcery Search your library for up to four creature cards with different powers and reveal them. An opponent chooses two of those cards. Shuffle the chosen cards into your library and put the rest into your hand.
Rushed Rebirth BGInstant Choose target creature. When that creature dies this turn, search your library for a creature card with lesser mana value, put it onto the battlefield tapped, then shuffle.
Musician 2UCreature — Human Wizard 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.) {T}: Put a music counter on target creature. If it doesn't have "At the beginning of your upkeep, destroy this creature unless you pay {1} for each music counter on it," it gains that ability. 1/3
Kami of the Tended Garden 3GCreature — Spirit At the beginning of your upkeep, sacrifice Kami of the Tended Garden unless you pay {G}. Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.) 4/4
Leyline of Abundance 2GGEnchantment If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield. Whenever you tap a creature for mana, add an additional {G}. {6}{G}{G}: Put a +1/+1 counter on each creature you control.
A-Celestial Regulator 1WUCreature — Angel Advisor Flying When Celestial Regulator enters the battlefield, choose target creature you don't control and tap it. If you control a creature with a counter on it, the chosen creature doesn't untap during its controller's next untap step. 1/4
Sunken City UUEnchantment At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}. Blue creatures get +1/+1.
Kindred Dominance 5BBSorcery Choose a creature type. Destroy all creatures that aren't of the chosen type.
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