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
Phantasmal Dreadmaw 2UUCreature — Dinosaur Illusion Trample When Phantasmal Dreadmaw becomes the target of a spell or ability, sacrifice it. 6/6
Mox Amber 0Legendary Artifact {T}: Add one mana of any color among legendary creatures and planeswalkers you control.
Soundwave, Superior Captain Legendary Artifact Whenever you cast a spell with an odd mana value, convert Soundwave. If you do, create Ravage, a legendary 3/3 black Robot artifact creature token with menace and deathtouch. Whenever you cast a spell with an even mana value, convert Soundwave. If you do, create Laserbeak, a legendary 2/2 blue Robot artifact creature token with flying and hexproof.
Misery's Shadow 1BCreature — Shade If a creature an opponent controls would die, exile it instead. {1}: Misery's Shadow gets +1/+1 until end of turn. 2/2
Change the Equation 1UInstant Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less.
A-Llanowar Loamspeaker 1GCreature — Elf Druid {T}: Add one mana of any color. {T}: Target land you control becomes a 4/4 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery. 1/3
Llanowar Loamspeaker 1GCreature — Elf Druid {T}: Add one mana of any color. {T}: Target land you control becomes a 3/3 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery. 1/3
Shadowbane 1WInstant The next time a source of your choice would deal damage to you and/or creatures you control this turn, prevent that damage. If damage from a black source is prevented this way, you gain that much life.
Thought Reflection 4UUUEnchantment If you would draw a card, draw two cards instead.
Chimeric Idol 3Artifact {0}: Tap all lands you control. Chimeric Idol becomes a 3/3 Turtle artifact creature until end of turn.
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