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
Forgotten Ancient 3GCreature — Elemental Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient. At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures. 0/3
Thundercloud Elemental 5UUCreature — Elemental Flying {3}{U}: Tap all creatures with toughness 2 or less. {3}{U}: All other creatures lose flying until end of turn. 3/4
Old-Growth Dryads GCreature — Dryad When Old-Growth Dryads enters the battlefield, each opponent may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. 3/3
Hellhole Rats 2BRCreature — Rat Haste When Hellhole Rats enters the battlefield, target player discards a card. Hellhole Rats deals damage to that player equal to that card's mana value. 2/2
Binding Negotiation 1BSorcery Target opponent reveals their hand. You may choose a nonland card from it. If you do, they discard it. Otherwise, you may put a face-up exiled card they own into their graveyard.
Planeswalker's Mirth 2WEnchantment {3}{W}: Target opponent reveals a card at random from their hand. You gain life equal to that card's mana value.
Hibernation's End 4GEnchantment Cumulative upkeep {1} (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.) Whenever you pay Hibernation's End's cumulative upkeep, you may search your library for a creature card with mana value equal to the number of age counters on Hibernation's End, put it onto the battlefield, then shuffle.
Neyam Shai Murad 2WBLegendary Creature — Human Rogue Rogue Trader — Whenever Neyam Shai Murad deals combat damage to a player, you may have that player return target permanent card from their graveyard to their hand. If you do, that player chooses a permanent card in your graveyard, then you put it onto the battlefield under your control. 3/3
Joust 1RSorcery Choose target creature you control and target creature you don't control. The creature you control gets +2/+1 until end of turn if it's a Knight. Then those creatures fight each other. (Each deals damage equal to its power to the other.)
Nissa's Zendikon 3GEnchantment — Aura Enchant land Enchanted land is a 4/4 Elemental creature with reach and haste. It's still a land. When enchanted land dies, return that card to its owner's hand.
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