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
Acolyte of Aclazotz 2BCreature — Vampire Cleric {T}, Sacrifice another creature or artifact: Each opponent loses 1 life and you gain 1 life. 1/4
Gift of Growth 1GInstant Kicker {2} (You may pay an additional {2} as you cast this spell.) Untap target creature. It gets +2/+2 until end of turn. If this spell was kicked, that creature gets +4/+4 until end of turn instead.
Spawn of Rix Maadi 3BRCreature — Horror Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) 5/3
Capricious Hellraiser 3RRRCreature — Phyrexian Dragon This spell costs {3} less to cast if you have nine or more cards in your graveyard. Flying When Capricious Hellraiser enters the battlefield, exile three cards at random from your graveyard. Choose a noncreature, nonland card from among them and copy it. You may cast the copy without paying its mana cost. 4/4
Arbiter of the Ideal 4UUCreature — Sphinx Flying Inspired — Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types. 4/5
Underworld Breach 1REnchantment Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.
Haberthrasher 1BCreature — Human Hatificer Assassin Deathtouch Whenever another creature that has a hat enters the battlefield under your control or a hat sticker is put on a creature you control, each opponent loses 1 life. 2/2
Thunderbreak Regent 2RRCreature — Dragon Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player. 4/4
Renegade Doppelganger 1UCreature — Shapeshifter Whenever another creature enters the battlefield under your control, you may have Renegade Doppelganger become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.) 0/1
Orzhov Guildmage W/BW/BCreature — Human Wizard {2}{W}: Target player gains 1 life. {2}{B}: Each player loses 1 life. 2/2
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