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
Eye for an Eye WWInstant The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.
Priest of Yawgmoth 1BCreature — Phyrexian Human Cleric {T}, Sacrifice an artifact: Add an amount of {B} equal to the sacrificed artifact's mana value. 1/2
Megatron, Destructive Force Legendary Artifact — Vehicle Living metal (As long as it's your turn, this Vehicle is also a creature.) Whenever Megatron attacks, you may sacrifice another artifact. When you do, Megatron deals damage equal to the sacrificed artifact's mana value to target creature. If excess damage would be dealt to that creature this way, instead that damage is dealt to that creature's controller and you convert Megatron. 4/5
Indentured Oaf 3RCreature — Ogre Warrior Prevent all damage that Indentured Oaf would deal to red creatures. 4/3
Fire Servant 3RRCreature — Elemental If a red instant or sorcery spell you control would deal damage, it deals double that damage instead. 4/3
Mechanized Warfare 1RREnchantment If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.
Mijae Djinn RRRCreature — Djinn Whenever Mijae Djinn attacks, flip a coin. If you lose the flip, remove Mijae Djinn from combat and tap it. 6/3
Chimeric Staff 4Artifact {X}: Chimeric Staff becomes an X/X Construct artifact creature until end of turn.
Deathbloom Gardener 2GCreature — Elf Druid Deathtouch {T}: Add one mana of any color. 1/1
Callous Giant 4RRCreature — Giant If a source would deal 3 or less damage to Callous Giant, prevent that damage. 4/4
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