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
Hollow Specter 1BBCreature — Specter Flying Whenever Hollow Specter deals combat damage to a player, you may pay {X}. If you do, that player reveals X cards from their hand and you choose one of them. That player discards that card. 2/2
All Hallow's Eve 2BBSorcery Exile All Hallow's Eve with two scream counters on it. At the beginning of your upkeep, if All Hallow's Eve is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield.
Ihsan's Shade 3BBBLegendary Creature — Shade Knight Protection from white 5/5
Cephalid Snitch 1UCreature — Cephalid Wizard Sacrifice Cephalid Snitch: Target creature loses protection from black until end of turn. 1/1
Supersize 1GInstant Target creature gets +3½/+3½ until end of turn.
Gang of Devils 5RCreature — Devil When Gang of Devils dies, it deals 3 damage divided as you choose among one, two, or three targets. 3/3
Nahiri's Sacrifice 1RSorcery As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X. Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures.
Join Shields 3GWInstant Untap all creatures you control. They gain hexproof and indestructible until end of turn. (They can't be the targets of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy them.)
Portal Manipulator 2W/UW/UCreature — Human Wizard Flash When Portal Manipulator enters the battlefield during the declare attackers step, choose target player and any number of target attacking creatures their opponents control. Those creatures are now attacking that player. 3/2
Dauntless Unity 1WInstant Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) Creatures you control get +1/+1 until end of turn. If this spell was kicked, those creatures get +2/+1 until end of turn instead.
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