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
The Conundrum of Bowls 2UUEnchantment — Saga (As this Saga enters and after your draw step add a lore counter. Sacrifice after III.) I — Seek a card with mana value less than the number of cards in your hand. II — Seek a card with mana value greater than the number of cards in your hand. III — Count the number of cards in your hand. You may cast a spell with mana value equal to that number from your hand without paying its mana cost.
Synthesis Pod 3U/PArtifact ({U/P} can be paid with either {U} or 2 life.) {1}{U/P}, {T}, Exile a spell you control: Target opponent reveals cards from the top of their library until they reveal a card with mana value equal to 1 plus the exiled spell's mana value. Exile that card, then that player shuffles. You may cast that exiled card without paying its mana cost.
Delighted Halfling GCreature — Halfling Citizen {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered. 1/2
Etching of Kumano Enchantment Creature — Human Shaman Haste If a creature dealt damage this turn by a source you controlled would die, exile it instead. 2/2
Adarkar Unicorn 1WWCreature — Unicorn {T}: Add {U} or {C}{U}. Spend this mana only to pay cumulative upkeep costs. 2/2
Blazing Shoal XRRInstant — Arcane You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.
Guildmages' Forum Land {T}: Add {C}. {1}, {T}: Add one mana of any color. If that mana is spent on a multicolored creature spell, that creature enters the battlefield with an additional +1/+1 counter on it.
Boon Reflection 4WEnchantment If you would gain life, you gain twice that much life instead.
Caustic Bronco 1BCreature — Snake Horse Mount Whenever Caustic Bronco attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if Caustic Bronco isn't saddled. Otherwise, each opponent loses that much life. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) 2/2
Sustaining Spirit 1WCreature — Angel Spirit Cumulative upkeep {1}{W} (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.) Damage that would reduce your life total to less than 1 reduces it to 1 instead. 0/3
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