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
Heronblade Elite 2GCreature — Human Warrior Vigilance Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite. {T}: Add X mana of any one color, where X is Heronblade Elite's power. 1/1
Pendrell Flux 1UEnchantment — Aura Enchant creature Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you pay its mana cost."
A-Security Rhox 2RGCreature — Rhino Warrior You may pay {R}{G} rather than pay this spell's mana cost. Spend only mana produced by Treasures to cast it this way. 5/5
Security Rhox 2RGCreature — Rhino Warrior You may pay {R}{G} rather than pay this spell's mana cost. Spend only mana produced by Treasures to cast it this way. 5/4
Reset UUInstant Cast this spell only during an opponent's turn after their upkeep step. Untap all lands you control.
Purging Scythe 5Artifact At the beginning of your upkeep, Purging Scythe deals 2 damage to the creature with the least toughness. If two or more creatures are tied for least toughness, you choose one of them.
March from Velis Vel 2USorcery Choose a nonbasic land type. Each land you control of that type becomes a copy of target creature you control until end of turn and gains haste until end of turn. Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Ana Sanctuary 2GEnchantment At the beginning of your upkeep, if you control a blue or black permanent, target creature gets +1/+1 until end of turn. If you control a blue permanent and a black permanent, that creature gets +5/+5 until end of turn instead.
Demonic Taskmaster 2BCreature — Demon Flying At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster. 4/3
Guided Passage GURSorcery Reveal the cards in your library. An opponent chooses from among them a creature card, a land card, and a noncreature, nonland card. You put the chosen cards into your hand. Then shuffle.
Page 126