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
Krazy Kow 3RCreature — Cow At the beginning of your upkeep, roll a six-sided die. If you a roll a 1, sacrifice Krazy Kow and it deals 3 damage to each creature and each player. 3/3
The Dalek Emperor 5BRLegendary Artifact Creature — Dalek Affinity for Daleks (This spell costs {1} less to cast for each Dalek you control.) Other Daleks you control have haste. At the beginning of combat on your turn, each opponent faces a villainous choice — That player sacrifices a creature they control, or you create a 3/3 black Dalek artifact creature token with menace. 6/6
Volcanic Offering 4RInstant Destroy target nonbasic land you don't control and target nonbasic land of an opponent's choice you don't control. Volcanic Offering deals 7 damage to target creature you don't control and 7 damage to target creature of an opponent's choice you don't control.
Mountain Yeti 2RRCreature — Yeti Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.) Protection from white 3/3
Surgical Extraction B/PInstant ({B/P} can be paid with either {B} or 2 life.) Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles.
Debtors' Knell 4W/BW/BW/BEnchantment ({W/B} can be paid with either {W} or {B}.) At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.
Virtue of Persistence 5BBEnchantment At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.
Confounding Conundrum 1UEnchantment When Confounding Conundrum enters the battlefield, draw a card. Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, they return a land they control to its owner's hand.
Naya Battlemage 2GCreature — Human Shaman {R}, {T}: Target creature gets +2/+0 until end of turn. {W}, {T}: Tap target creature. 2/2
Humiliate WBSorcery Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put a +1/+1 counter on a creature you control.
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