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
Pyrostatic Pillar 1REnchantment Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player.
Howltooth Hollow Land Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Howltooth Hollow enters the battlefield tapped. {T}: Add {B}. {B}, {T}: You may play the exiled card without paying its mana cost if each player has no cards in hand.
Void Mirror 2Artifact Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.
Bishop of the Bloodstained 3BBCreature — Vampire Cleric When Bishop of the Bloodstained enters the battlefield, target opponent loses 1 life for each Vampire you control. 3/3
Thoughtcutter Agent UBArtifact Creature — Human Rogue {U}{B}, {T}: Target player loses 1 life and reveals their hand. 1/1
Gustcloak Runner WCreature — Human Soldier Whenever Gustcloak Runner becomes blocked, you may untap it and remove it from combat. 1/1
Gustcloak Sentinel 2WWCreature — Human Soldier Whenever Gustcloak Sentinel becomes blocked, you may untap it and remove it from combat. 3/3
Veiled Crocodile 2UEnchantment When a player has no cards in hand, if Veiled Crocodile is an enchantment, Veiled Crocodile becomes a 4/4 Crocodile creature.
Elven Warhounds 3GCreature — Dog Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner's library. 2/2
Forensic Gadgeteer 2UCreature — Vedalken Artificer Detective Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Activated abilities of artifacts you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana. 2/3
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