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
Unctus, Grand Metatect 1UULegendary Artifact Creature — Phyrexian Vedalken Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card." Other artifact creatures you control get +1/+1. {U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) 2/4
Humble 1WInstant Until end of turn, target creature loses all abilities and has base power and toughness 0/1.
Ovinize 1UInstant Until end of turn, target creature loses all abilities and has base power and toughness 0/1.
Tainted Monkey 1BCreature — Monkey {T}: Choose a word. Target player mills a card. If a card with the chosen word in its text box was milled this way, they lose 3 life. 1/1
Wildfire Devils 3RCreature — Devil When Wildfire Devils enters the battlefield and at the beginning of your upkeep, choose a player at random. That player exiles an instant or sorcery card from their graveyard. Copy that card. You may cast the copy without paying its mana cost. 4/2
Dwarven Song RInstant One or more target creatures become red until end of turn.
Key to the Archive 4Artifact Key to the Archive enters the battlefield tapped. When Key to the Archive enters the battlefield, draft a card from Key to the Archive's spellbook, then discard a card. {T}: Add two mana in any combination of colors.
Polukranos, Unchained 2BGLegendary Creature — Zombie Hydra Polukranos enters the battlefield with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead. If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it. {1}{B}{G}: Polukranos fights another target creature. Escape—{4}{B}{G}, Exile six other cards from your graveyard. 0/0
Tangle Asp 1GCreature — Snake Whenever Tangle Asp blocks or becomes blocked by a creature, destroy that creature at end of combat. 1/2
Brilliant Spectrum 3USorcery Converge — Draw X cards, where X is the number of colors of mana spent to cast this spell. Then discard two cards.
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