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
Nightcreep BBInstant Until end of turn, all creatures become black and all lands become Swamps.
Nissa's Chosen GGCreature — Elf Warrior If Nissa's Chosen would die, put it on the bottom of its owner's library instead. 2/3
Phytohydra 2GWWCreature — Plant Hydra If damage would be dealt to Phytohydra, put that many +1/+1 counters on it instead. 1/1
Toshiro Umezawa 1BBLegendary Creature — Human Samurai Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) Whenever a creature an opponent controls dies, you may cast target instant card from your graveyard. If that spell would be put into a graveyard, exile it instead. 2/2
Skulking Fugitive 2BCreature — Horror Mercenary When Skulking Fugitive becomes the target of a spell or ability, sacrifice it. 3/4
Archive Haunt Creature — Spirit Wizard Flying Whenever Archive Haunt attacks, draw a card, then discard a card. If Archive Haunt would be put into a graveyard from anywhere, exile it instead. 2/1
Mirrored Depths Plane — Karsus Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.
Gutter Shortcut Enchantment — Aura Enchant creature Enchanted creature can't be blocked as long as it's attacking alone. If Gutter Shortcut would be put into a graveyard from anywhere, exile it instead.
Birgi, God of Storytelling 2RLegendary Creature — God Whenever you cast a spell, add {R}. Until end of turn, you don't lose this mana as steps and phases end. Creatures you control can boast twice during each of your turns rather than once. 3/3
Covetous Urge U/BU/BU/BU/BSorcery Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
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