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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
Monstrify 3GSorcery Target creature gets +4/+4 until end of turn. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
Macabre Mockery 2BRInstant Put target creature card from an opponent's graveyard onto the battlefield under your control. It gets +2/+0 and gains haste until end of turn. Sacrifice it at the beginning of the next end step.
Glistening Oil BBEnchantment — Aura Enchant creature Enchanted creature has infect. At the beginning of your upkeep, put a -1/-1 counter on enchanted creature. When Glistening Oil is put into a graveyard from the battlefield, return Glistening Oil to its owner's hand.
Nahiri's Resolve 3RWEnchantment Creatures you control get +1/+0 and have haste. At the beginning of your end step, exile any number of nontoken artifacts and/or creatures you control. Return those cards to the battlefield under their owner's control at the beginning of your next upkeep.
Gather Courage GInstant Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gets +2/+2 until end of turn.
Pack's Favor 2GInstant Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gets +3/+3 until end of turn.
Verdant Touch 1GSorcery Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Target land becomes a 2/2 creature that's still a land. (This effect lasts indefinitely.)
The Wilds Plane — Eldraine When you planeswalk to The Wilds and at the beginning of your upkeep, create a Food token. Whenever chaos ensues, target player sacrifices a creature. If they do, you create a Food token. You create two Food tokens instead if the sacrificed creature's toughness was 4 or greater.
Resize 1GInstant Target creature gets +3/+3 until end of turn. Recover {1}{G} (When a creature is put into your graveyard from the battlefield, you may pay {1}{G}. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)
Fangorn, Tree Shepherd 4GGGLegendary Creature — Treefolk Treefolk you control have vigilance. Whenever one or more Treefolk you control attack, add twice that much {G}. You don't lose unspent green mana as steps and phases end. 4/10
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