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
Omniscience 7UUUEnchantment You may cast spells from your hand without paying their mana costs.
Viridian Acolyte GCreature — Elf Shaman {1}, {T}: Add one mana of any color. 1/1
Llanowar Envoy 2GCreature — Elf Scout {1}{G}: Add one mana of any color. 3/2
Viconia, Disciple of Blood 1BBLegendary Creature — Elf Cleric When this creature specializes, conjure a duplicate of target creature card exiled with this creature into your hand. The duplicate perpetually gains "You may spend mana as though it were mana of any color to cast this spell" and "When this creature enters the battlefield, each opponent loses 2 life and you gain 2 life." {1}: Exile target card from a graveyard. 3/4
Tournament Grounds Land {T}: Add {C}. {T}: Add {R}, {W}, or {B}. Spend this mana only to cast a Knight or Equipment spell.
Orcish Lumberjack RCreature — Orc {T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}. 1/1
Hardbristle Bandit 1GCreature — Plant Rogue {T}: Add one mana of any color. Whenever you commit a crime, untap Hardbristle Bandit. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) 1/1
Sudden Insight 4UUInstant Draw a card for each different mana value among nonland cards in your graveyard.
Phyrexian Altar 3Artifact Sacrifice a creature: Add one mana of any color.
Aisha of Sparks and Smoke 1RRLegendary Creature — Human Warrior Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R/W}: Aisha of Sparks and Smoke gains first strike until end of turn. Whenever Aisha deals combat damage, you may cast a sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. 4/2
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