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
Dire Mimic 2Artifact — Treasure Flash {T}, Sacrifice Dire Mimic: Add one mana of any color. {3}: Dire Mimic becomes a Shapeshifter artifact creature with base power and toughness 5/5 until end of turn.
Prismite 2Artifact Creature — Golem {2}: Add one mana of any color. 2/1
Nourishing Shoal XGGInstant — Arcane You may exile a green card with mana value X from your hand rather than pay this spell's mana cost. You gain X life.
Mimic 2Artifact — Treasure {T}, Sacrifice Mimic: Add one mana of any color. {2}: Mimic becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of turn.
Slumbering Tora 3Artifact {2}, Discard a Spirit or Arcane card: Slumbering Tora becomes an X/X Cat artifact creature until end of turn, where X is the discarded card's mana value.
Protective Sphere 2WEnchantment {1}, Pay 1 life: Prevent all damage that would be dealt to you this turn by a source of your choice that shares a color with the mana spent on this activation cost. (Colorless mana prevents no damage.)
Marshland Bloodcaster 4BCreature — Vampire Warlock Flying {1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value. 3/5
Elementalist's Palette 3Artifact Whenever you cast a spell with {X} in its mana cost, put two charge counters on Elementalist's Palette. {T}: Add one mana of any color. {T}: Add {C} for each charge counter on Elementalist's Palette. Spend this mana only on costs that contain {X}.
Quicksilver Elemental 3UUCreature — Elemental {U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn. (If any of the abilities use that creature's name, use this creature's name instead.) You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities. 3/4
Finale of Promise XRRSorcery You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.
Page 32