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
Restless Fortress Land Restless Fortress enters the battlefield tapped. {T}: Add {W} or {B}. {2}{W}{B}: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land. Whenever Restless Fortress attacks, defending player loses 2 life and you gain 2 life.
Orim's Thunder 2WInstant Kicker {R} (You may pay an additional {R} as you cast this spell.) Destroy target artifact or enchantment. If this spell was kicked, it deals damage equal to that permanent's mana value to target creature.
Network Terminal 3Artifact {T}: Add one mana of any color. {1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.
Bone Mask 4Artifact {2}, {T}: The next time a source of your choice would deal damage to you this turn, prevent that damage. Exile cards from the top of your library equal to the damage prevented this way.
Salvaging Station 6Artifact {T}: Return target noncreature artifact card with mana value 1 or less from your graveyard to the battlefield. Whenever a creature dies, you may untap Salvaging Station.
Long Goodbye 1BInstant This spell can't be countered. (This includes by the ward ability.) Destroy target creature or planeswalker with mana value 3 or less.
Heart of Yavimaya Land If Heart of Yavimaya would enter the battlefield, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {G}. {T}: Target creature gets +1/+1 until end of turn.
Town-Razer Tyrant 2RRCreature — Dragon Flying When Town-Razer Tyrant enters the battlefield, target nonbasic land you don't control loses all abilities except mana abilities and gains "At the beginning of your upkeep, this permanent deals 2 damage to you unless you sacrifice it." 4/4
Sway of Illusion 1UInstant Any number of target creatures become the color of your choice until end of turn. Draw a card.
Sakiko, Mother of Summer 4GGLegendary Creature — Snake Shaman Whenever a creature you control deals combat damage to a player, add that much {G}. Until end of turn, you don't lose this mana as steps and phases end. 3/3
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