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
Bellowing Mauler 4BCreature — Ogre Warrior At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature. 4/6
Argent Mutation 2UInstant Target permanent becomes an artifact in addition to its other types until end of turn. Draw a card.
Dead-Iron Sledge 1Artifact — Equipment Whenever equipped creature blocks or becomes blocked by a creature, destroy both creatures. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)
Polluted Bonds 3BBEnchantment Whenever a land enters the battlefield under an opponent's control, that player loses 2 life and you gain 2 life.
Enchantmentize 3UEnchantment — Aura Enchant creature or enchantment Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)
One with the Stars 3UEnchantment — Aura Enchant creature or enchantment Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)
Lim-Dûl's Cohort 1BBCreature — Zombie Whenever Lim-Dûl's Cohort blocks or becomes blocked by a creature, that creature can't be regenerated this turn. 2/3
Conservator 4Artifact {3}, {T}: Prevent the next 2 damage that would be dealt to you this turn.
Shield of the Ages 2Artifact {2}: Prevent the next 1 damage that would be dealt to you this turn.
Lord of Tresserhorn 1UBRLegendary Creature — Zombie When Lord of Tresserhorn enters the battlefield, you lose 2 life, you sacrifice two creatures, and target opponent draws two cards. {B}: Regenerate Lord of Tresserhorn. 10/4
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