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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
Loyal Drake 2UCreature — Drake Flying Lieutenant — At the beginning of combat on your turn, if you control your commander, draw a card. 2/2
Planeswalker's Scorn 2BEnchantment {3}{B}: Target opponent reveals a card at random from their hand. Target creature gets -X/-X until end of turn, where X is the revealed card's mana value. Activate only as a sorcery.
Lightning Coils 3Artifact Whenever a nontoken creature you control dies, put a charge counter on Lightning Coils. At the beginning of your upkeep, if Lightning Coils has five or more charge counters on it, remove all of them from it and create that many 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.
Martyr's Soul 2WCreature — Spirit Soldier Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) When Martyr's Soul enters the battlefield, if you control no tapped lands, put two +1/+1 counters on it. 3/2
Jin-Gitaxias, Core Augur 8UULegendary Creature — Phyrexian Praetor Flash At the beginning of your end step, draw seven cards. Each opponent's maximum hand size is reduced by seven. 5/4
Arboria 2GGWorld Enchantment Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn.
Ankh of Mishra 2Artifact Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.
Narnam Cobra 2Artifact Creature — Snake {G}: Narnam Cobra gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.) 2/1
Temple of Atropos Plane — Time At the beginning of your postcombat main phase, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.) When chaos ensues, reverse the game's turn order. Then planeswalk. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)
Dreamwinder 3UCreature — Serpent Dreamwinder can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land becomes an Island until end of turn. 4/3
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