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
Roar of Jukai 2GInstant — Arcane If you control a Forest, each blocked creature gets +2/+2 until end of turn. Splice onto Arcane—An opponent gains 5 life. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Alexander Clamilton 2ULegendary Creature — Clamfolk Advisor Rebel Whenever you cast a wordy spell, scry 2. (A spell is wordy if it has four or more lines of rules text.) {1}{R}, {T}: Choose target creature you don't control. Reveal the top card of your library. Alexander Clamilton gets +X/+0 until end of turn, where X is the number of lines of rules text of the revealed card. Alexander Clamilton fights that creature. 0/4
Quenchable Fire 3RSorcery Quenchable Fire deals 3 damage to target player or planeswalker. It deals an additional 3 damage to that player or planeswalker at the beginning of your next upkeep step unless that player or that planeswalker's controller pays {U} before that step.
Phyrexian Tyranny UBREnchantment Whenever a player draws a card, that player loses 2 life unless they pay {2}.
Rodolf Duskbringer 5BLegendary Creature — Vampire Angel Flying, deathtouch, lifelink Whenever you gain life, Rodolf Duskbringer gains indestructible until end of turn. At the beginning of your end step, you may pay {1}{W/B}. When you do, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn. 4/4
Snarling Undorak 2GGCreature — Beast {2}{G}: Target Beast creature gets +1/+1 until end of turn. Morph {1}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 3/3
Granulate 2RRSorcery Destroy each nonland artifact with mana value 4 or less.
Sanguine Spy 2BCreature — Vampire Rogue Menace, lifelink {1}, Sacrifice another creature: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) At the beginning of your end step, if there are five or more mana values among cards in your graveyard, you may pay 2 life. If you do, draw a card. 2/3
Nantuko Shade BBCreature — Insect Shade {B}: Nantuko Shade gets +1/+1 until end of turn. 2/1
Perilous Shadow 2BBCreature — Insect Shade {1}{B}: Perilous Shadow gets +2/+2 until end of turn. 0/4
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