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
Soldevi Machinist 1UCreature — Human Wizard Artificer {T}: Add {C}{C}. Spend this mana only to activate abilities of artifacts. 1/1
Chaos Moon 3REnchantment At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.
Gorilla Shaman RCreature — Ape Shaman {X}{X}{1}: Destroy target noncreature artifact with mana value X. 1/1
Szadek, Lord of Secrets 3UUBBLegendary Creature — Vampire Flying If Szadek, Lord of Secrets would deal combat damage to a player, instead put that many +1/+1 counters on Szadek and that player mills that many cards. 5/5
Reflecting Pool Land {T}: Add one mana of any type that a land you control could produce.
Phantom Beast 3UCreature — Illusion Beast When Phantom Beast becomes the target of a spell or ability, sacrifice it. 4/5
Ersatz Gnomes 3Artifact Creature — Gnome {T}: Target spell becomes colorless. {T}: Target permanent becomes colorless until end of turn. 1/1
Lotus Petal 0Artifact {T}, Sacrifice Lotus Petal: Add one mana of any color.
Prismatic Strands 2WInstant Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Henge of Ramos Land {T}: Add {C}. {2}, {T}: Add one mana of any color.
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