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
Sleuth Instructor 1WCreature — Elephant Detective Disguise {1}{W} Whenever Sleuth Instructor or another permanent you control is turned face up, seek a non-Elephant creature card with mana value 3 or less and cloak it. This ability triggers only once. 3/2
Kess, Dissident Mage 1UBRLegendary Creature — Human Wizard Flying Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead. 3/4
Luminous Phantom Creature — Spirit Cleric Flying Whenever another creature you control leaves the battlefield, you gain 1 life. If Luminous Phantom would be put into a graveyard from anywhere, exile it instead. 1/1
Kill-Suit Cultist RCreature — Goblin Berserker Kill-Suit Cultist attacks each combat if able. {B}, Sacrifice Kill-Suit Cultist: The next time damage would be dealt to target creature this turn, destroy that creature instead. 1/1
Mana Screw 1Artifact {1}: Flip a coin. If you win the flip, add {C}{C}. Activate only as an instant.
Shelkin Brownie 1GCreature — Ouphe {T}: Target creature loses all "bands with other" abilities until end of turn. 1/1
Mirrored Lotus 0Artifact Reflect {0} (As this enters the battlefield, each opponent may pay {0}. When they do, they create a token copy of this except it lacks this ability.) {T}, Exile Mirrored Lotus: Add three mana of any one color.
Circle of Protection: Artifacts 1WEnchantment {2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.
Loam Dryad GCreature — Dryad Horror {T}, Tap an untapped creature you control: Add one mana of any color. 1/2
The Irencrag 2Legendary Artifact {T}: Add {C}. Whenever a legendary creature enters the battlefield under your control, you may have The Irencrag become a legendary Equipment artifact named Everflame, Heroes' Legacy. If you do, it gains equip {3} and "Equipped creature gets +3/+3" and loses all other abilities.
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