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
Alaundo the Seer 2GULegendary Creature — Human Shaman {T}: Draw a card, then exile a card from your hand and put a number of time counters on it equal to its mana value. It gains "When the last time counter is removed from this card, if it's exiled, you may cast it without paying its mana cost. If you cast a creature spell this way, it gains haste until end of turn." Then remove a time counter from each other card you own in exile. 3/5
Deflecting Swat 2RInstant If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.
Prismatic Lace UInstant Target permanent becomes the color or colors of your choice. (This effect lasts indefinitely.)
Energy Field 1UEnchantment Prevent all damage that would be dealt to you by sources you don't control. When a card is put into your graveyard from anywhere, sacrifice Energy Field.
Sphere of Purity 3WEnchantment If an artifact would deal damage to you, prevent 1 of that damage.
Springmantle Cleric 4GCreature — Elf Cleric Springmantle Cleric enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it. 2/3
Proclamation of Rebirth 2WSorcery Return up to three target creature cards with mana value 1 or less from your graveyard to the battlefield. Forecast — {5}{W}, Reveal Proclamation of Rebirth from your hand: Return target creature card with mana value 1 or less from your graveyard to the battlefield. (Activate only during your upkeep and only once each turn.)
Sphere of Grace 3WEnchantment If a black source would deal damage to you, prevent 2 of that damage.
Mutavault Land {T}: Add {C}. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.
Charm Peddler WCreature — Human Spellshaper {W}, {T}, Discard a card: The next time a source of your choice would deal damage to target creature this turn, prevent that damage. 1/1
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