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
Bite of the Black Rose 3BSorcery Will of the council — Starting with you, each player votes for sickness or psychosis. If sickness gets more votes, creatures your opponents control get -2/-2 until end of turn. If psychosis gets more votes or the vote is tied, each opponent discards two cards.
Yavimaya Ants 2GGCreature — Insect Trample, haste Cumulative upkeep {G}{G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) 5/1
Sarevok the Usurper 3BLegendary Creature — Human Knight Specialize {3} At the beginning of combat on your turn, target creature you control gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. 3/3
Myriad Landscape Land Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
Spinerock Knoll Land Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Spinerock Knoll enters the battlefield tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.
Renari, Merchant of Marvels 3ULegendary Creature — Dragon Artificer You may cast Dragon spells and artifact spells as though they had flash. Choose a Background (You can have a Background as a second commander.) 2/4
Meteor Swarm XRRRSorcery Meteor Swarm deals 8 damage divided as you choose among X target creatures and/or planeswalkers.
Huntmaster of the Fells 2RGCreature — Human Werewolf Whenever this creature enters the battlefield or transforms into Huntmaster of the Fells, create a 2/2 green Wolf creature token and you gain 2 life. At the beginning of each upkeep, if no spells were cast last turn, transform Huntmaster of the Fells. 2/2
Ebon Praetor 4BBCreature — Avatar Praetor First strike, trample At the beginning of your upkeep, put a -2/-2 counter on Ebon Praetor. Sacrifice a creature: Remove a -2/-2 counter from Ebon Praetor. If the sacrificed creature was a Thrull, put a +1/+0 counter on Ebon Praetor. Activate only during your upkeep and only once each turn. 5/5
Manic Scribe 1UCreature — Human Wizard When Manic Scribe enters the battlefield, each opponent mills three cards. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards. 0/3
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