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
Crooked Scales 4Artifact {4}, {T}: Flip a coin. If you win the flip, destroy target creature an opponent controls. If you lose the flip, destroy target creature you control unless you pay {3} and repeat this process.
Tel-Jilad Wolf 2GCreature — Wolf Whenever Tel-Jilad Wolf becomes blocked by an artifact creature, Tel-Jilad Wolf gets +3/+3 until end of turn. 2/2
Drought 2WWEnchantment At the beginning of your upkeep, sacrifice Drought unless you pay {W}{W}. Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs. Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs.
Talent of the Telepath 2UUSorcery Target opponent reveals the top seven cards of their library. You may cast an instant or sorcery spell from among them without paying its mana cost. Then that player puts the rest into their graveyard. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may cast up to two instant and/or sorcery spells from among the revealed cards instead of one.
Corrupted Shapeshifter 3UCreature — Eldrazi Shapeshifter Devoid (This card has no color.) As Corrupted Shapeshifter enters the battlefield, it becomes your choice of a 3/3 creature with flying, a 2/5 creature with vigilance, or a 0/12 creature with defender. */*
Goblin Goliath 4RRCreature — Goblin Mutant When Goblin Goliath enters the battlefield, create a number of 1/1 red Goblin creature tokens equal to the number of opponents you have. {3}{R}, {T}: If a source you control would deal damage to an opponent this turn, it deals double that damage to that player instead. 5/4
Abyssal Persecutor 2BBCreature — Demon Flying, trample You can't win the game and your opponents can't lose the game. 6/6
Wiretapping 4UEnchantment Hideaway 5 (When this enchantment enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever you draw your first card during each of your draw steps, draw a card. Then if you have nine or more cards in hand, you may play the exiled card without paying its mana cost.
Rooftop Storm 5UEnchantment You may pay {0} rather than pay the mana cost for Zombie creature spells you cast.
Bubbling Muck BSorcery Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.
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