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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
Heartwood Storyteller 1GGCreature — Treefolk Whenever a player casts a noncreature spell, each of that player's opponents may draw a card. 2/3
The Doctor's Childhood Barn Plane — Gallifrey Creatures enter the battlefield tapped. Whenever chaos ensues, for each opponent, choose up to one target nonland permanent that opponent controls. Untap those permanents. They phase out. They can't phase in for as long as The Doctor's Childhood Barn remains face up. When a player planeswalks, those permanents phase in.
Tempted by the Oriq 1UUUSorcery For each opponent, gain control of up to one target creature or planeswalker that player controls with mana value 3 or less.
Perennial Behemoth 5Artifact Creature — Beast You may play lands from your graveyard. Unearth {G}{G} ({G}{G}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 2/7
Mission Briefing UUInstant Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Willing 1WBInstant Creatures you control gain deathtouch and lifelink until end of turn. Fuse (You may cast one or both halves of this card from your hand.)
Hyperion Blacksmith 1RRCreature — Human Artificer {T}: You may tap or untap target artifact an opponent controls. 2/2
Blind Obedience 1WEnchantment Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter the battlefield tapped.
Chain Devil 3BCreature — Devil Animate Chains — When Chain Devil enters the battlefield, each player sacrifices a nontoken creature. 4/2
Henzie "Toolbox" Torre BRGLegendary Creature — Devil Rogue Each creature spell you cast with mana value 4 or greater has blitz. The blitz cost is equal to its mana cost. (You may choose to cast that spell for its blitz cost. If you do, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) Blitz costs you pay cost {1} less for each time you've cast your commander from the command zone this game. 3/3
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