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
Personal Incarnation 3WWWCreature — Avatar Incarnation {0}: The next 1 damage that would be dealt to Personal Incarnation this turn is dealt to its owner instead. Only Personal Incarnation's owner may activate this ability. When Personal Incarnation dies, its owner loses half their life, rounded up. 6/6
The Flame of Keld 1REnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Discard your hand. II — Draw two cards. III — If a red source you control would deal damage to a permanent or player this turn, it deals that much damage plus 2 to that permanent or player instead.
River Song's Diary 3Artifact Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.
Rainbow Crow 3UCreature — Bird Flying {1}: Rainbow Crow becomes the color of your choice until end of turn. 2/2
Frost Walker 1UCreature — Elemental When Frost Walker becomes the target of a spell or ability, sacrifice it. 4/1
Opal-Eye, Konda's Yojimbo 1WWLegendary Creature — Fox Samurai Defender (This creature can't attack.) Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) {T}: The next time a source of your choice would deal damage this turn, that damage is dealt to Opal-Eye, Konda's Yojimbo instead. {1}{W}: Prevent the next 1 damage that would be dealt to Opal-Eye this turn. 1/4
Consuming Ashes 2BBInstant Exile target creature. If it had mana value 3 or less, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Eelectrocute 1RInstant Eelectrocute deals 2 damage to any target. You may cast Eelectrocute from your graveyard as long as you've rolled a 6 this turn. If you cast Eelectrocute this way and it would be put into your graveyard, exile it instead.
Eye of Ojer Taq 3Artifact {T}: Add one mana of any color. Craft with two that share a card type {6} ({6}, Exile this artifact, Exile the two from among other permanents you control and/or cards from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
Tangleweave Armor 2GGArtifact — Equipment Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +X/+X, where X is the greatest mana value among your commanders. Equip {4}
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