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
Ritual of Steel 2WEnchantment — Aura Enchant creature When Ritual of Steel enters the battlefield, draw a card at the beginning of the next turn's upkeep. Enchanted creature gets +0/+2.
Sustaining Spirit 1WCreature — Angel Spirit Cumulative upkeep {1}{W} (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.) Damage that would reduce your life total to less than 1 reduces it to 1 instead. 0/3
Lithatog 1RGCreature — Atog Sacrifice an artifact: Lithatog gets +1/+1 until end of turn. Sacrifice a land: Lithatog gets +1/+1 until end of turn. 1/2
Might of Old Krosa GInstant Target creature gets +2/+2 until end of turn. If you cast this spell during your main phase, that creature gets +4/+4 until end of turn instead.
Descent into Avernus 2REnchantment At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.
Gruul Nodorog 4GGCreature — Beast {R}: Gruul Nodorog gains menace until end of turn. (It can't be blocked except by two or more creatures.) 4/4
Absolute Law 1WEnchantment All creatures have protection from red.
Scourglass 3WWArtifact {T}, Sacrifice Scourglass: Destroy all permanents except for artifacts and lands. Activate only during your upkeep.
Primordial Plasm Creature — Ooze At the beginning of combat on your turn, another target creature gets +2/+2 and loses all abilities until end of turn. 4/4
Arms Scavenger 1RCreature — Human Warrior At the beginning of your upkeep, draft a card from Arms Scavenger's spellbook, then exile it. Until end of turn, you may play that card. Equip abilities you activate cost {1} less to activate. 2/2
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