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
Frontline Medic 2WCreature — Human Cleric Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible until end of turn. Sacrifice Frontline Medic: Counter target spell with {X} in its mana cost unless its controller pays {3}. 3/3
Taunt USorcery During target player's next turn, creatures that player controls attack you if able.
Fiendish Duo 4RRCreature — Devil First strike If a source would deal damage to an opponent, it deals double that damage to that player instead. 5/5
Restless Ridgeline Land Restless Ridgeline enters the battlefield tapped. {T}: Add {R} or {G}. {2}{R}{G}: Restless Ridgeline becomes a 3/4 red and green Dinosaur creature until end of turn. It's still a land. Whenever Restless Ridgeline attacks, another target attacking creature gets +2/+0 until end of turn. Untap that creature.
Tamiyo's Journal 5Legendary Artifact At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {T}, Sacrifice three Clues: Search your library for a card, put that card into your hand, then shuffle.
Aetherling 4UUCreature — Shapeshifter {U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step. {U}: Aetherling can't be blocked this turn. {1}: Aetherling gets +1/-1 until end of turn. {1}: Aetherling gets -1/+1 until end of turn. 4/5
Ogre Battlecaster 2RCreature — Ogre Shaman First strike Whenever Ogre Battlecaster attacks, you may cast target instant or sorcery card from your graveyard by paying {R}{R} in addition to its other costs. If that spell would be put into a graveyard, exile it instead. When you cast that spell, Ogre Battlecaster gets +X/+0 until end of turn, where X is that spell's mana value. 3/3
Foresight 1USorcery Search your library for three cards, exile them, then shuffle. Draw a card at the beginning of the next turn's upkeep.
Gutterbones BCreature — Skeleton Warrior Gutterbones enters the battlefield tapped. {1}{B}: Return Gutterbones from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn. 2/1
Assemble the Legion 3RWEnchantment At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.
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