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
Marsh Viper 3GCreature — Snake Whenever Marsh Viper deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.) 1/2
Flying Crane Technique 3URWInstant Untap all creatures you control. They gain flying and double strike until end of turn.
Green Ward WEnchantment — Aura Enchant creature Enchanted creature has protection from green. This effect doesn't remove Green Ward.
Explore 1GSorcery You may play an additional land this turn. Draw a card.
Sarcatog 1BRCreature — Atog Exile two cards from your graveyard: Sarcatog gets +1/+1 until end of turn. Sacrifice an artifact: Sarcatog gets +1/+1 until end of turn. 1/2
Urge to Feed BBInstant Target creature gets -3/-3 until end of turn. You may tap any number of untapped Vampire creatures you control. If you do, put a +1/+1 counter on each of those Vampires.
Death or Glory 4WSorcery Separate all creature cards in your graveyard into two piles. Exile the pile of an opponent's choice and return the other to the battlefield.
Phyrexian Etchings BBBEnchantment Cumulative upkeep {B} (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.) At the beginning of your end step, draw a card for each age counter on Phyrexian Etchings. When Phyrexian Etchings is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.
Wormwood Dryad 2GCreature — Dryad {G}: Wormwood Dryad gains forestwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Forest.) {B}: Wormwood Dryad gains swampwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Swamp.) 3/1
Leyline of Combustion 2RREnchantment If Leyline of Combustion is in your opening hand, you may begin the game with it on the battlefield. Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, Leyline of Combustion deals 2 damage to that player.
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