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
Sunstreak Phoenix 2RRCreature — Phoenix Flying If it's neither day nor night, it becomes day as Sunstreak Phoenix enters the battlefield. Whenever day becomes night or night becomes day, you may pay {1}{R}. If you do, return Sunstreak Phoenix from your graveyard to the battlefield tapped. 4/2
Stitch in Time 1URSorcery Flip a coin. If you win the flip, take an extra turn after this one.
Hit 1BRInstant Target player sacrifices an artifact or creature. Hit deals damage to that player equal to that permanent's mana value.
Reaver Titan 7Artifact — Vehicle Void Shields — Protection from mana value 3 or less Gatling Blaster — Whenever Reaver Titan attacks, it deals 5 damage to each opponent. Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.) 10/10
Soul Echo XWWEnchantment Soul Echo enters the battlefield with X echo counters on it. You don't lose the game for having 0 or less life. At the beginning of your upkeep, sacrifice Soul Echo if there are no echo counters on it. Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from Soul Echo instead.
Zaffai, Thunder Conductor 2URLegendary Creature — Human Shaman Magecraft — Whenever you cast or copy an instant or sorcery spell, scry 1. If that spell's mana value is 5 or greater, create a 4/4 blue and red Elemental creature token. If that spell's mana value is 10 or greater, Zaffai, Thunder Conductor deals 10 damage to an opponent chosen at random. 1/4
Breeches, Brazen Plunderer 3RLegendary Creature — Goblin Pirate Menace Whenever one or more Pirates you control deal damage to your opponents, exile the top card of each of those opponents' libraries. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells. Partner (You can have two commanders if both have partner.) 3/3
Cunning Rhetoric 2BEnchantment Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.
Treacherous Link 1BEnchantment — Aura Enchant creature All damage that would be dealt to enchanted creature is dealt to its controller instead.
Reclusive Taxidermist 1GCreature — Human Druid Reclusive Taxidermist gets +3/+2 as long as there are four or more creature cards in your graveyard. {T}: Add one mana of any color. 1/2
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