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
Daxos of Meletis 1WULegendary Creature — Human Soldier Daxos of Meletis can't be blocked by creatures with power 3 or greater. Whenever Daxos of Meletis deals combat damage to a player, exile the top card of that player's library. You gain life equal to that card's mana value. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. 2/2
Angrath's Marauders 5RRCreature — Human Pirate If a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead. 4/4
Opal Palace Land {T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.
Nikya of the Old Ways 3RGLegendary Creature — Centaur Druid You can't cast noncreature spells. Whenever you tap a land for mana, add one mana of any type that land produced. 5/5
Ticket Turbotubes 3Artifact {T}: Add one mana of any color. {3}, {T}: You get {TK} (a ticket counter).
Rousing Refrain 3RRSorcery Add {R} for each card in target opponent's hand. Until end of turn, you don't lose this mana as steps and phases end. Exile Rousing Refrain with three time counters on it. Suspend 3—{1}{R} (Rather than cast this card from your hand, you may pay {1}{R} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Shaman en-Kor 1WCreature — Kor Cleric Shaman {0}: The next 1 damage that would be dealt to Shaman en-Kor this turn is dealt to target creature you control instead. {1}{W}: The next time a source of your choice would deal damage to target creature this turn, that damage is dealt to Shaman en-Kor instead. 1/2
Kentaro, the Smiling Cat 1WLegendary Creature — Human Samurai Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) You may pay {X} rather than pay the mana cost for Samurai spells you cast, where X is that spell's mana value. 2/1
Cruel Bargain BBBSorcery Draw four cards. You lose half your life, rounded up.
Infernal Contract BBBSorcery Draw four cards. You lose half your life, rounded up.
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