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
Walking Sponge 1UCreature — Sponge {T}: Target creature loses your choice of flying, first strike, or trample until end of turn. 1/1
Final Fortune RRInstant Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.
Last Chance RRSorcery Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.
Warrior's Oath RRSorcery Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.
Magus of the Mind 4UUCreature — Human Wizard {U}, {T}, Sacrifice Magus of the Mind: Shuffle your library, then exile the top X cards, where X is one plus the number of spells cast this turn. Until end of turn, you may play lands and cast spells from among cards exiled this way without paying their mana costs. 4/5
Nightshade Harvester 3BCreature — Elf Shaman Whenever a land enters the battlefield under an opponent's control, that player loses 1 life. Put a +1/+1 counter on Nightshade Harvester. 2/2
Zur's Weirding 3UEnchantment Players play with their hands revealed. If a player would draw a card, they reveal it instead. Then any other player may pay 2 life. If a player does, put that card into its owner's graveyard. Otherwise, that player draws a card.
Katilda and Lier GWULegendary Creature — Human Whenever you cast a Human spell, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.) 3/3
Soul Spike 5BBInstant You may exile two black cards from your hand rather than pay this spell's mana cost. Soul Spike deals 4 damage to any target and you gain 4 life.
Crimson Hellkite 6RRRCreature — Dragon Flying {X}, {T}: Crimson Hellkite deals X damage to target creature. Spend only red mana on X. 6/6
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