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
Magic Missile 1RRSorcery This spell can't be countered. Magic Missile deals 3 damage divided as you choose among one, two, or three targets.
Flailing Ogre 2RCreature — Ogre {1}: Flailing Ogre gets +1/+1 until end of turn. Any player may activate this ability. {1}: Flailing Ogre gets -1/-1 until end of turn. Any player may activate this ability. 3/3
Trepanation Blade 3Artifact — Equipment Whenever equipped creature attacks, defending player reveals cards from the top of their library until they reveal a land card. The creature gets +1/+0 until end of turn for each card revealed this way. That player puts the revealed cards into their graveyard. Equip {2}
Oblivion Sower 6Creature — Eldrazi When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control. 5/8
Daring Piracy 2REnchantment At the beginning of combat on your turn, create a 1/1 red Pirate creature token with menace and haste. Exile it at the beginning of the next end step.
Capital Punishment 4BBSorcery Council's dilemma — Starting with you, each player votes for death or taxes. Each opponent sacrifices a creature for each death vote and discards a card for each taxes vote.
Advanced Hoverguard 3UCreature — Drone Flying {U}: Advanced Hoverguard gains shroud until end of turn. (It can't be the target of spells or abilities.) 2/2
Exponential Growth XXGGSorcery Until end of turn, double target creature's power X times.
Goblin Bomb 1REnchantment At the beginning of your upkeep, you may flip a coin. If you win the flip, put a fuse counter on Goblin Bomb. If you lose the flip, remove a fuse counter from Goblin Bomb. Remove five fuse counters from Goblin Bomb and sacrifice it: It deals 20 damage to target player or planeswalker.
Pox BBBSorcery Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control, then sacrifices a third of the lands they control. Round up each time.
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