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
Triumph of Ferocity 2GEnchantment At the beginning of your upkeep, draw a card if you control the creature with the greatest power or tied for the greatest power.
Celestial Regulator 1WUCreature — Angel Advisor Flying When Celestial Regulator enters the battlefield, choose target creature you don't control and tap it. If you control a creature with a counter on it, the chosen creature doesn't untap during its controller's next untap step. 2/3
Neck Breaker Creature — Werewolf Attacking creatures you control get +1/+0 and have trample. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Neck Breaker. 4/3
Furnace Layer Plane — New Phyrexia When you planeswalk to Furnace Layer or at the beginning of your upkeep, select target player at random. That player discards a card. If that player discards a land card this way, they lose 3 life. Whenever chaos ensues, you may destroy target nonland permanent.
Keeper of the Accord 3WCreature — Human Soldier At the beginning of each opponent's end step, if that player controls more creatures than you, create a 1/1 white Soldier creature token. At the beginning of each opponent's end step, if that player controls more lands than you, you may search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle. 3/4
Curse of Obsession 4REnchantment — Aura Curse Enchant player At the beginning of enchanted player's draw step, that player draws two additional cards. At the beginning of enchanted player's end step, that player discards their hand.
Melting 3REnchantment All lands are no longer snow.
Mystic Redaction 2UEnchantment At the beginning of your upkeep, scry 1. Whenever you discard a card, each opponent mills two cards. (They put the top two cards of their library into their graveyard.)
Ring of Thune 2Artifact — Equipment Equipped creature has vigilance. (Attacking doesn't cause it to tap.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's white. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Wildblood Pack Creature — Werewolf Trample Attacking creatures you control get +3/+0. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Wildblood Pack. 5/5
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