Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Horizon Stone

5 · Artifact

If you would lose unspent mana, that mana becomes colorless instead.

Similar cards

Color identity:
NameManaTypeText
Wulfgar of Icewind Dale 3RGLegendary Creature — Human Barbarian Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) If a creature you control attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. 4/4
Guff Rewrites History 2RInstant For each player, choose target nonenchantment, nonland permanent that player controls. Those permanents' owners shuffle them into their libraries. Each player who controlled one of those permanents exiles cards from the top of their library until they exile a nonland card, then puts the rest on the bottom of their library in a random order. Each player may cast the nonland card they exiled without paying its mana cost.
Hall of Mirrors Artifact — Attraction Visit — Choose target creature you control. Each other creature you control becomes a copy of that creature until end of turn, except it isn't legendary.
Skemfar Avenger 1BCreature — Elf Berserker Whenever another nontoken Elf or Berserker you control dies, you draw a card and you lose 1 life. 3/1
Mondassian Colony Ship Plane — Spacecraft Whenever a creature attacks, it gets +1/+1 until end of turn for each other creature its controller controls that shares a creature type with it. Whenever chaos ensues, turn target creature face down. It becomes a 2/2 Cyberman artifact creature.
Emmara, Soul of the Accord GWLegendary Creature — Elf Cleric Whenever Emmara, Soul of the Accord becomes tapped, create a 1/1 white Soldier creature token with lifelink. 2/2
Standardize UUInstant Choose a creature type other than Wall. Each creature becomes that type until end of turn.
Revival Experiment 4BGSorcery For each permanent type, return up to one card of that type from your graveyard to the battlefield. You lose 3 life for each card returned this way. Exile Revival Experiment.
Sanctum Seeker 2BBCreature — Vampire Knight Whenever a Vampire you control attacks, each opponent loses 1 life and you gain 1 life. 3/4
Burning Earth 3REnchantment Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.
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