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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
Springjack Pasture Land {T}: Add {C}. {4}, {T}: Create a 0/1 white Goat creature token. {T}, Sacrifice X Goats: Add X mana of any one color. You gain X life.
Enroll in the Coalition 3WEnchantment You are a Flagbearer. While choosing targets as part of casting a spell or activating an ability, your opponents must choose at least one Flagbearer if able.
Cloistered Youth 1WCreature — Human At the beginning of your upkeep, you may transform Cloistered Youth. 1/1
Gitrog, Horror of Zhava 2BGLegendary Creature — Frog Horror Menace At the beginning of each combat, if Gitrog, Horror of Zhava is untapped, any opponent may sacrifice a nontoken creature. If they do, tap Gitrog, Horror of Zhava, then seek a land card and put it onto the battlefield tapped. Whenever a land enters the battlefield under your control, it perpetually gains "{B}{G}, {T}, Sacrifice this land: Draw a card." 6/6
Davriel, Rogue Shadowmage 2BLegendary Planeswalker — Davriel At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, Davriel, Rogue Shadowmage deals 2 damage to them. [−1]: Target player discards a card. Loyalty 3
Shapeshifter's Marrow 2UUEnchantment At the beginning of each opponent's upkeep, that player reveals the top card of their library. If it's a creature card, the player puts the card into their graveyard and Shapeshifter's Marrow becomes a copy of that card. (If it does, it loses this ability.)
Blood Oath 3RInstant Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal are card types.)
Livaan, Cultist of Tiamat 2RLegendary Creature — Dragon Shaman Whenever you cast a noncreature spell, target creature gets +X/+0 until end of turn, where X is that spell's mana value. Choose a Background (You can have a Background as a second commander.) 1/3
Rising Waters 3UEnchantment Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control.
The Superlatorium Artifact — Attraction Visit — An opponent chooses "the funniest," "the smelliest," or "the sturdiest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize! Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.
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