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
Mirror March 5REnchantment Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
Escaped Null 3BCreature — Zombie Berserker Lifelink Whenever Escaped Null blocks or becomes blocked, it gets +5/+0 until end of turn. 1/2
Iroas, God of Victory 2RWLegendary Enchantment Creature — God Indestructible As long as your devotion to red and white is less than seven, Iroas isn't a creature. Creatures you control have menace. Prevent all damage that would be dealt to attacking creatures you control. 7/4
Mythos of Snapdax 2WWSorcery Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead.
Diregraf Captain 1UBCreature — Zombie Soldier Deathtouch Other Zombie creatures you control get +1/+1. Whenever another Zombie you control dies, target opponent loses 1 life. 2/2
Creepy Puppeteer 3RCreature — Human Rogue Haste Whenever Creepy Puppeteer attacks, if you attacked with exactly one other creature this combat, you may have that creature's base power and toughness become 4/3 until end of turn. 4/3
Lair of the Hydra Land If you control two or more other lands, Lair of the Hydra enters the battlefield tapped. {T}: Add {G}. {X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.
Spiteful Returned 1BEnchantment Creature — Zombie Bestow {3}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Whenever Spiteful Returned or enchanted creature attacks, defending player loses 2 life. Enchanted creature gets +1/+1. 1/1
Surge of Strength RGInstant As an additional cost to cast this spell, discard a red or green card. Target creature gains trample and gets +X/+0 until end of turn, where X is that creature's mana value.
Shimmering Mirage 1UInstant Target land becomes the basic land type of your choice until end of turn. Draw a card.
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