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
Vault of Catlacan Legendary Land (Transforms from Storm the Vault.) {T}: Add one mana of any color. {T}: Add {U} for each artifact you control.
Rebbec, Architect of Ascension 3WLegendary Creature — Human Artificer Artifacts you control have protection from each mana value among artifacts you control. Partner (You can have two commanders if both have partner.) 3/4
Sanguine Praetor 6BBCreature — Avatar Praetor {B}, Sacrifice a creature: Destroy each creature with the same mana value as the sacrificed creature. 7/5
Gaddock Teeg GWLegendary Creature — Kithkin Advisor Noncreature spells with mana value 4 or greater can't be cast. Noncreature spells with {X} in their mana costs can't be cast. 2/2
Forced March XBBBSorcery Destroy all creatures with mana value X or less.
Mystic Skull 2Artifact {1}, {T}: Add one mana of any color. {5}, {T}: Transform Mystic Skull.
Signpost Scarecrow 4Artifact Creature — Scarecrow Vigilance {2}: Add one mana of any color. 2/4
Trinisphere 3Artifact As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)
Benevolent Unicorn 1WCreature — Unicorn If a spell would deal damage to a permanent or player, it deals that much damage minus 1 to that permanent or player instead. 1/2
Sulfuric Vapors 3REnchantment If a red spell would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead.
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