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
Beacon of Destiny 1WCreature — Human Cleric {T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to Beacon of Destiny instead. 1/3
Voldaren Estate Land {T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a Vampire spell. {5}, {T}: Create a Blood token. This ability costs {1} less to activate for each Vampire you control. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")
Court of Ardenvale 2WWEnchantment When Court of Ardenvale enters the battlefield, you become the monarch. At the beginning of your upkeep, return target permanent card with mana value 3 or less from your graveyard to your hand. If you're the monarch, return that permanent card to the battlefield instead.
Pay No Heed WInstant Prevent all damage a source of your choice would deal this turn.
Prismatic Ending XWSorcery Converge — Exile target nonland permanent if its mana value is less than or equal to the number of colors of mana spent to cast this spell.
A-Spectral Binding Enchantment — Aura Enchant creature Enchanted creature gets -2/-0. If Spectral Binding would be put into a graveyard from anywhere, exile it instead.
Alhammarret's Archive 5Legendary Artifact If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.
Harm's Way WInstant The next 2 damage that a source of your choice would deal to you and/or permanents you control this turn is dealt to any target instead.
Spelljack 3UUUInstant Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may play it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.)
Disciples of the Inferno Creature — Human Monk Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) If a noncreature source you control would deal damage to a creature, battle, or opponent, it deals that much damage plus 2 instead. 4/4
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