Card Codex

M:tG card similarity search

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
Unnatural Growth 1GGGGEnchantment At the beginning of each combat, double the power and toughness of each creature you control until end of turn.
Venomous Breath 3GInstant Choose target creature. At this turn's next end of combat, destroy all creatures that blocked or were blocked by it this turn.
Court of Embereth 2RREnchantment When Court of Embereth enters the battlefield, you become the monarch. At the beginning of your upkeep, create a 3/1 red Knight creature token. Then if you're the monarch, Court of Embereth deals X damage to each opponent, where X is the number of creatures you control.
Scorn Effigy 3Artifact Creature — Scarecrow Foretell {0} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) 2/3
Cataclysmic Prospecting XRRSorcery Cataclysmic Prospecting deals X damage to each creature. For each mana from a Desert spent to cast this spell, create a tapped Treasure token.
Yahenni's Expertise 2BBSorcery All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost.
Truth or Dare 1UUSorcery Target opponent chooses one — • Truth — That player plays with their hand revealed for the rest of the game. • Dare — Mill all but the bottom ten cards of that player's library. (To mill, put the top card of that library into its owner's graveyard.)
Endling 2BBCreature — Zombie Shapeshifter {B}: Endling gains menace until end of turn. {B}: Endling gains deathtouch until end of turn. {B}: Endling gains undying until end of turn. (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) {1}: Endling gets +1/-1 or -1/+1 until end of turn. 3/3
Morgul-Knife Wound 1BEnchantment — Aura Enchant creature Enchanted creature gets -3/-0 and has "At the beginning of your upkeep, exile this creature unless you pay 2 life."
Nyx Weaver 1BGEnchantment Creature — Spider Reach At the beginning of your upkeep, mill two cards. {1}{B}{G}, Exile Nyx Weaver: Return target card from your graveyard to your hand. 2/3
Page 280