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
Arahbo, Roar of the World 3GWLegendary Creature — Cat Avatar Eminence — At the beginning of combat on your turn, if Arahbo, Roar of the World is in the command zone or on the battlefield, another target Cat you control gets +3/+3 until end of turn. Whenever another Cat you control attacks, you may pay {1}{G}{W}. If you do, it gains trample and gets +X/+X until end of turn, where X is its power. 5/5
Nut Collector 5GCreature — Human Druid At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token. Threshold — Squirrel creatures get +2/+2 as long as seven or more cards are in your graveyard. 1/1
Nantuko Disciple 3GCreature — Insect Druid {G}, {T}: Target creature gets +2/+2 until end of turn. 2/2
Thriss, Nantuko Primus 5GGLegendary Creature — Insect Druid {G}, {T}: Target creature gets +5/+5 until end of turn. 5/5
Sylvan Awakening 2GSorcery Until your next turn, all lands you control become 2/2 Elemental creatures with reach, indestructible, and haste. They're still lands.
Rathi Trapper 1BCreature — Human Rebel Rogue {B}, {T}: Tap target creature. 1/2
Study Break 1WInstant Tap up to two target creatures. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)
Captivating Unicorn 4WCreature — Unicorn Constellation — Whenever an enchantment enters the battlefield under your control, tap target creature an opponent controls. 4/4
Tsabo's Decree 5BInstant Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.
Rush of Battle 3WSorcery Creatures you control get +2/+1 until end of turn. Warrior creatures you control gain lifelink until end of turn. (Damage dealt by those Warriors also causes their controller to gain that much life.)
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