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
Sphere of Truth 3WEnchantment If a white source would deal damage to you, prevent 2 of that damage.
Etherium Spinner 2UArtifact Creature — Human Wizard Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying. 2/1
Skittering Cicada 3Creature — Insect Flash You may cast colorless spells as though they had flash. Whenever you cast a colorless spell, until end of turn, Skittering Cicada gains trample and gets +X/+X, where X is that spell's mana value. 2/2
Faith Healer 1WCreature — Human Cleric Sacrifice an enchantment: You gain life equal to the sacrificed enchantment's mana value. 1/1
The Sound of Drums 2REnchantment — Aura Enchant creature Enchanted creature is goaded. If enchanted creature would deal combat damage to a permanent or player, it deals double that damage instead. {2}{R}: Return The Sound of Drums from your graveyard to your hand.
Awakened Skyclave Creature — Elemental Vigilance, haste As long as Awakened Skyclave is on the battlefield, it's a land in addition to its other types. {T}: Add one mana of any color. 4/4
Glistening Sphere 3Artifact Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters.
Tasha's Hideous Laughter 1UUSorcery Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.
Maro's Gone Nuts GGEnchantment Double any effect that doubles. (It quadruples.)
Puppet Raiser 3BCreature — Zombie Wizard At the beginning of your end step, exile up to one target creature card from your graveyard. If you do, seek a creature card with mana value equal to the mana value of that card plus one. That card perpetually gains menace. 3/4
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