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
Lignify 1GTribal Enchantment — Treefolk Aura Enchant creature Enchanted creature is a Treefolk with base power and toughness 0/4 and loses all abilities.
Andrios, Roaming Explorer 5GLegendary Artifact Creature — Wizard Reach As long as Andrios is attacking, tapped creatures you control with base power and toughness 4/3 have base power and toughness 16/9. {T}: Add {W}{U}{B}{R}{G}. Creature spells you spend this mana to cast have their base power and toughness become 4/3. 4/3
Rabid Wolverines 3GGCreature — Wolverine Whenever Rabid Wolverines becomes blocked by a creature, Rabid Wolverines gets +1/+1 until end of turn. 4/4
Snarlfang Vermin BCreature — Rat Whenever Snarlfang Vermin deals combat damage to a creature, if that creature is still on the battlefield, suspect that creature. It perpetually gains this ability. Whenever a suspected creature an opponent controls dies while Snarlfang Vermin is in your graveyard, that opponent loses 1 life. 2/1
Indestructible Aura WInstant Prevent all damage that would be dealt to target creature this turn.
Shielded Passage WInstant Prevent all damage that would be dealt to target creature this turn.
Argothian Pixies 1GCreature — Faerie Argothian Pixies can't be blocked by artifact creatures. Prevent all damage that would be dealt to Argothian Pixies by artifact creatures. 2/1
Venerated Rotpriest GCreature — Phyrexian Druid Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever a creature you control becomes the target of a spell, target opponent gets a poison counter. 1/2
Pact of Negation 0Instant Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.
Otaria Plane — Dominaria Instant and sorcery cards in graveyards have flashback. The flashback cost is equal to the card's mana cost. (Its owner may cast the card from their graveyard for its mana cost. Then they exile it.) Whenever chaos ensues, take an extra turn after this one.
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