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
Determined Iteration 1REnchantment At the beginning of combat on your turn, populate. The token created this way gains haste. Sacrifice it at the beginning of the next end step. (To populate, create a token that's a copy of a creature token you control.)
Keldon Berserker 3RCreature — Human Soldier Berserker Whenever Keldon Berserker attacks, if you control no untapped lands, it gets +3/+0 until end of turn. 2/3
Goblin Welder RCreature — Goblin Artificer {T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield. 1/1
Private Research UEnchantment — Aura Enchant creature At the beginning of your upkeep, you may put a page counter on Private Research. When enchanted creature dies, draw a card for each page counter on Private Research.
Alms Collector 3WCreature — Cat Cleric Flash If an opponent would draw two or more cards, instead you and that player each draw a card. 3/4
Mindwrack Harpy 3BEnchantment Creature — Harpy Flying At the beginning of combat on your turn, each player mills three cards. 3/2
Nihiloor 2WUBLegendary Creature — Horror When Nihiloor enters the battlefield, for each opponent, tap up to one untapped creature you control. When you do, gain control of target creature that player controls with power less than or equal to the tapped creature's power for as long as you control Nihiloor. Whenever you attack with a creature an opponent owns, you gain 2 life and that player loses 2 life. 3/5
Abhorrent Overlord 5BBCreature — Demon Flying When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature. 6/6
Cavern Crawler 2RCreature — Insect Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.) {R}: Cavern Crawler gets +1/-1 until end of turn. 0/3
Scrib Nibblers 2BCreature — Rat {T}: Exile the top card of target player's library. If it's a land card, you gain 1 life. Landfall — Whenever a land enters the battlefield under your control, you may untap Scrib Nibblers. 1/1
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