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
Pit Spawn 4BBBCreature — Demon First strike At the beginning of your upkeep, sacrifice Pit Spawn unless you pay {B}{B}. Whenever Pit Spawn deals damage to a creature, exile that creature. 6/4
Entomber Exarch 2BBCreature — Phyrexian Cleric When Entomber Exarch enters the battlefield, choose one — • Return target creature card from your graveyard to your hand. • Target opponent reveals their hand. You choose a noncreature card from it. That player discards that card. 2/2
Rebirth 3GGGSorcery Remove Rebirth from your deck before playing if you're not playing for ante. Each player may ante the top card of their library. If a player does, that player's life total becomes 20.
Rattleback Apothecary 2BCreature — Gorgon Warlock Deathtouch Whenever you commit a crime, target creature you control gains your choice of menace or lifelink until end of turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) 3/2
Die Young 1BSorcery Choose target creature. You get {E}{E} (two energy counters), then you may pay any amount of {E}. The creature gets -1/-1 until end of turn for each {E} paid this way.
Metallic Mimic 2Artifact Creature — Shapeshifter As Metallic Mimic enters the battlefield, choose a creature type. Metallic Mimic is the chosen type in addition to its other types. Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it. 2/1
Mana Skimmer 3BCreature — Leech Flying Whenever Mana Skimmer deals damage to a player, tap target land that player controls. That land doesn't untap during its controller's next untap step. 2/2
Colossal Plow 2Artifact — Vehicle Whenever Colossal Plow attacks, add {W}{W}{W} and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end. Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.) 6/3
Bottomless Vault Land Bottomless Vault enters the battlefield tapped. You may choose not to untap Bottomless Vault during your untap step. At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Bottomless Vault: Add {B} for each storage counter removed this way.
Dwarven Hold Land Dwarven Hold enters the battlefield tapped. You may choose not to untap Dwarven Hold during your untap step. At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it. {T}, Remove any number of storage counters from Dwarven Hold: Add {R} for each storage counter removed this way.
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