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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
GO TO JAIL WEnchantment When GO TO JAIL enters the battlefield, exile target creature an opponent controls until GO TO JAIL leaves the battlefield. At the beginning of the upkeep of the exiled card's owner, that player rolls two six-sided dice. If they roll doubles, sacrifice GO TO JAIL.
Henrika Domnathi 2BBLegendary Creature — Vampire Flying At the beginning of combat on your turn, choose one that hasn't been chosen — • Each player sacrifices a creature. • You draw a card and you lose 1 life. • Transform Henrika Domnathi. 1/3
Goblin Secret Agent 2RCreature — Goblin Rogue First strike At the beginning of your upkeep, reveal a card from your hand at random. 2/2
Invasion Plans 2REnchantment All creatures block each combat if able. The attacking player chooses how each creature blocks each combat.
Molten Rain 1RRSorcery Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.
Sorry UUEnchantment Before any player casts a spell with the same name as a card in any graveyard, that player may say "sorry." If they don't, any other player may say "sorry" as the spell is being cast. When another player says "sorry" this way, counter the spell. Whenever a player says "sorry" at any other time, Sorry deals 2 damage to that player.
Glade Gnarr 5GCreature — Beast Whenever a player casts a blue spell, Glade Gnarr gets +2/+2 until end of turn. 4/4
Wyll, Pact-Bound Duelist 3RRLegendary Creature — Human Warlock Specialize {2} When Wyll, Pact-Bound Duelist enters the battlefield, gain control of target artifact or creature an opponent controls with mana value 4 or less until the end of your next turn. 4/4
Thornling 3GGCreature — Elemental Shapeshifter {G}: Thornling gains haste until end of turn. {G}: Thornling gains trample until end of turn. {G}: Thornling gains indestructible until end of turn. {1}: Thornling gets +1/-1 until end of turn. {1}: Thornling gets -1/+1 until end of turn. 4/4
Pact of Negation 0Instant Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.
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