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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
Emrakul, the Aeons Torn 15Legendary Creature — Eldrazi This spell can't be countered. When you cast this spell, take an extra turn after this one. Flying, protection from spells that are one or more colors, annihilator 6 When Emrakul, the Aeons Torn is put into a graveyard from anywhere, its owner shuffles their graveyard into their library. 15/15
Chance Encounter 2RREnchantment Whenever you win a coin flip, put a luck counter on Chance Encounter. At the beginning of your upkeep, if Chance Encounter has ten or more luck counters on it, you win the game.
Lithophage 3RRCreature — Insect At the beginning of your upkeep, sacrifice Lithophage unless you sacrifice a Mountain. 7/7
Kros, Defense Contractor 1GWULegendary Creature — Cat Advisor At the beginning of your upkeep, put a shield counter on target creature an opponent controls. Whenever you put one or more counters on a creature you don't control, tap that creature and goad it. It gains trample until your next turn. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) 2/4
Tunnel Ignus 1RCreature — Elemental Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player. 2/1
Drudge Sentinel 2BCreature — Skeleton Warrior {3}: Tap Drudge Sentinel. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 2/1
Kezzerdrix 2BBCreature — Rabbit Beast First strike At the beginning of your upkeep, if your opponents control no creatures, Kezzerdrix deals 4 damage to you. 4/4
Cinder Giant 3RCreature — Giant At the beginning of your upkeep, Cinder Giant deals 2 damage to each other creature you control. 5/3
Tourach's Gate 1BBEnchantment — Aura Enchant land you control Sacrifice a Thrull: Put three time counters on Tourach's Gate. At the beginning of your upkeep, remove a time counter from Tourach's Gate. If there are no time counters on Tourach's Gate, sacrifice it. Tap enchanted land: Attacking creatures you control get +2/-1 until end of turn. Activate only if enchanted land is untapped.
Ghazbán Ogress GCreature — Ogre When Ghazbán Ogress enters the battlefield, if one player has won more Magic games that day than any other player, that player gains control of Ghazbán Ogress. 2/2
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