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
Mindcrank 2Artifact Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)
Skulking Ghost 1BCreature — Spirit Flying When Skulking Ghost becomes the target of a spell or ability, sacrifice it. 2/1
Disciple of Deceit UBCreature — Human Rogue Inspired — Whenever Disciple of Deceit becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle. 1/3
Eliminate 1BInstant Destroy target creature or planeswalker with mana value 3 or less.
Rune of Protection: Blue 1WEnchantment {W}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.)
Dark Sphere 0Artifact {T}, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.
Kozilek's Unsealing 2UEnchantment Devoid (This card has no color.) Whenever you cast a creature spell with mana value 4, 5, or 6, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this creature: Add {C}." Whenever you cast a creature spell with mana value 7 or greater, draw three cards.
Utopia Sprawl GEnchantment — Aura Enchant Forest As Utopia Sprawl enters the battlefield, choose a color. Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.
Soul Parry 1WInstant Prevent all damage one or two target creatures would deal this turn.
Tariff 1WSorcery Each player sacrifices the creature they control with the highest mana value unless they pay that creature's mana cost. If two or more creatures a player controls are tied for highest, that player chooses one.
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