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
Sister Hospitaller 4WBCreature — Human Cleric Medicus Ministorum — When Sister Hospitaller enters the battlefield, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value. 3/2
Stormscape Apprentice UCreature — Human Wizard {W}, {T}: Tap target creature. {B}, {T}: Target player loses 1 life. 1/1
Rabble Rousing 4WEnchantment Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever you attack with one or more creatures, create that many 1/1 green and white Citizen creature tokens. Then if you control ten or more creatures, you may play the exiled card without paying its mana cost.
Herald's Reveille USorcery Draw a card. If a permanent you controlled explored this turn, seek a Merfolk card instead.
Marionette Master 4BBCreature — Human Artificer Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.) Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power. 1/3
Guiltfeeder 3BBCreature — Horror Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Guiltfeeder attacks and isn't blocked, defending player loses 1 life for each card in their graveyard. 0/4
Tomb of Annihilation Dungeon Trapped Entry — Each player loses 1 life. (Leads to: Veils of Fear, Oubliette) Veils of Fear — Each player loses 2 life unless they discard a card. (Leads to: Sandfall Cell) Sandfall Cell — Each player loses 2 life unless they sacrifice a creature, artifact, or land. (Leads to: Cradle of the Death God) Oubliette — Discard a card and sacrifice a creature, an artifact, and a land. (Leads to: Cradle of the Death God) Cradle of the Death God — Create The Atropal, a legendary 4/4 black God Horror creature token with deathtouch.
Eldritch Evolution 1GGSorcery As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.
Demonfire XRSorcery Demonfire deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Hellbent — If you have no cards in hand, this spell can't be countered and the damage can't be prevented.
Blight BBEnchantment — Aura Enchant land When enchanted land becomes tapped, destroy it.
Page 216