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
Mana Flare 2REnchantment Whenever a player taps a land for mana, that player adds one mana of any type that land produced.
Leyline Prowler 1BGCreature — Nightmare Beast Deathtouch, lifelink {T}: Add one mana of any color. 2/3
Karn's Touch UUInstant Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. (It retains its abilities.)
Orochi Leafcaller GCreature — Snake Shaman {G}: Add one mana of any color. 1/1
Kheru Spellsnatcher 3UCreature — Naga Wizard Morph {4}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled. 3/3
Omen Hawker UCreature — Cephalid Advisor {T}: Add {C}{U}. Spend this mana only to activate abilities. 1/1
Ally Encampment Land {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast an Ally spell. {1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand.
Decanter of Endless Water 3Artifact You have no maximum hand size. {T}: Add one mana of any color.
Soul Servitude 2BInstant Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
Fatal Push BInstant Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.
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