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
Kurbis, Harvest Celebrant XGGLegendary Creature — Treefolk Kurbis, Harvest Celebrant enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. Remove a +1/+1 counter from Kurbis: Prevent all damage that would be dealt this turn to another target creature with a +1/+1 counter on it. 0/0
Karametra's Favor 1GEnchantment — Aura Enchant creature When Karametra's Favor enters the battlefield, draw a card. Enchanted creature has "{T}: Add one mana of any color."
Gustcloak Harrier 1WWCreature — Bird Soldier Flying Whenever Gustcloak Harrier becomes blocked, you may untap it and remove it from combat. 2/2
Gustcloak Skirmisher 3WCreature — Bird Soldier Flying Whenever Gustcloak Skirmisher becomes blocked, you may untap it and remove it from combat. 2/3
Rathi Assassin 2BBCreature — Phyrexian Zombie Mercenary Assassin {1}{B}{B}, {T}: Destroy target tapped nonblack creature. {3}, {T}: Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle. 2/2
Jet Collector 1GCreature — Merfolk Scout At the beginning of your postcombat main phase, if four or more cards are in your graveyard, conjure a card named Mox Jet into your hand. This ability triggers only once. {X}{B}: Put target creature card with mana value X from your graveyard onto the battlefield with a finality counter on it. Activate only as a sorcery. 2/2
Cavernous Maw Land — Cave {T}: Add {C}. {2}: Cavernous Maw becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.
Martyrdom 1WWInstant Until end of turn, target creature you control gains "{0}: The next 1 damage that would be dealt to target creature, planeswalker, or player this turn is dealt to this creature instead." Only you may activate this ability.
Captivating Cave Land — Cave {T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice Captivating Cave: Put two +1/+1 counters on target creature. Activate only as a sorcery.
Cave of Temptation Land {T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice Cave of Temptation: Put two +1/+1 counters on target creature. Activate only as a sorcery.
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