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
Lilah, Undefeated Slickshot 1URLegendary Creature — Human Rogue Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a multicolored instant or sorcery spell from your hand, exile that spell instead of putting it into your graveyard as it resolves. If you do, it becomes plotted. (You may cast it as a sorcery on a later turn without paying its mana cost.) 3/3
Palisade Giant 4WWCreature — Giant Soldier All damage that would be dealt to you and other permanents you control is dealt to Palisade Giant instead. 2/7
Sanguine Bond 3BBEnchantment Whenever you gain life, target opponent loses that much life.
Gift of Tusks UInstant Until end of turn, target creature loses all abilities and becomes a green Elephant with base power and toughness 3/3.
Guardian Seraph 2WWCreature — Angel Flying If a source an opponent controls would deal damage to you, prevent 1 of that damage. 3/4
Draconic Intervention 2RRSorcery As an additional cost to cast this spell, exile an instant or sorcery card from your graveyard. Draconic Intervention deals X damage to each non-Dragon creature, where X is the exiled card's mana value. If a creature dealt damage this way would die this turn, exile it instead. Exile Draconic Intervention.
Seasoned Tactician 2WCreature — Human Advisor {3}, Exile the top four cards of your library: The next time a source of your choice would deal damage to you this turn, prevent that damage. 1/3
Yuan-Ti Scaleshield 2GInstant Permanents you control gain hexproof and indestructible until end of turn. Seek a creature card if an opponent has cast a spell with mana value 3 or less this turn.
Evelyn, the Covetous 2U/BBB/RLegendary Creature — Vampire Rogue Flash Whenever Evelyn, the Covetous or another Vampire enters the battlefield under your control, exile the top card of each player's library with a collection counter on it. Once each turn, you may play a card from exile with a collection counter on it if it was exiled by an ability you controlled, and you may spend mana as though it were mana of any color to cast it. 2/5
Illuminator Virtuoso 1WCreature — Human Rogue Double strike Whenever Illuminator Virtuoso becomes the target of a spell you control, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) 1/1
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