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
Rosheen Meanderer 3R/GLegendary Creature — Giant Shaman {T}: Add {C}{C}{C}{C}. Spend this mana only on costs that contain {X}. 4/4
Naked Singularity 5Artifact Cumulative upkeep {3} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If tapped for mana, Plains produce {R}, Islands produce {G}, Swamps produce {W}, Mountains produce {U}, and Forests produce {B} instead of any other type.
Spectral Arcanist 3UCreature — Spirit Wizard Flying When Spectral Arcanist enters the battlefield, you may cast an instant or sorcery spell with mana value less than or equal to the number of Spirits you control from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 3/2
Aluren 2GGEnchantment Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.
Jegantha, the Wellspring 4R/GLegendary Creature — Elemental Elk Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs. 5/5
Forbidden Crypt 3BBEnchantment If you would draw a card, return a card from your graveyard to your hand instead. If you can't, you lose the game. If a card would be put into your graveyard from anywhere, exile that card instead.
Exquisite Archangel 5WWCreature — Angel Flying If you would lose the game, instead exile Exquisite Archangel and your life total becomes equal to your starting life total. 5/5
Regal Behemoth 4GGCreature — Dinosaur Trample When Regal Behemoth enters the battlefield, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color. 5/5
Torrential Gearhulk 4UUArtifact Creature — Construct Flash When Torrential Gearhulk enters the battlefield, you may cast target instant card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. 5/6
Charmed Pendant 4Artifact {T}, Mill a card: For each colored mana symbol in the milled card's mana cost, add one mana of that color. Activate only as an instant. (For example, if the card's mana cost is {3}{U}{U}{B}, you add {U}{U}{B}.)
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