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
Narset, Enlightened Exile 1URWLegendary Creature — Human Monk Creatures you control have prowess. Whenever Narset, Enlightened Exile attacks, exile target noncreature, nonland card with mana value less than Narset's power from a graveyard and copy it. You may cast the copy without paying its mana cost. 3/4
Bolas's Citadel 3BBBLegendary Artifact You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.
Sivvi's Valor 2WInstant If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. All damage that would be dealt to target creature this turn is dealt to you instead.
Chameleon Blur 3GInstant Prevent all damage that creatures would deal to players this turn.
Ornithopter of Paradise 2Artifact Creature — Thopter Flying {T}: Add one mana of any color. 0/2
The Big Top Land {T}: Add one mana of any color that appears on your top. (A top is an outerwear garment worn on the upper body.)
Tezzeret's Simulacrum 3Artifact Creature — Golem {T}: Target opponent loses 1 life. If you control a Tezzeret planeswalker, that player loses 3 life instead. 2/3
Gemstone Caverns Legendary Land If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.
Lanterns' Lift Enchantment — Aura Enchant creature Enchanted creature gets +1/+1 and has flying. If Lanterns' Lift would be put into a graveyard from anywhere, exile it instead.
Obstinate Familiar RCreature — Lizard If you would draw a card, you may skip that draw instead. 1/1
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