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
Cinderclasm 1RInstant Kicker {R} (You may pay an additional {R} as you cast this spell.) Cinderclasm deals 1 damage to each creature. If it was kicked, it deals 2 damage to each creature instead.
Blind Hunter 2WBCreature — Bat Flying Haunt (When this creature dies, exile it haunting target creature.) When Blind Hunter enters the battlefield or the creature it haunts dies, target player loses 2 life and you gain 2 life. 2/2
Thoughtseize BSorcery Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.
Hydra Broodmaster 4GGCreature — Hydra {X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens. 7/7
Plargg and Nassari 3RRLegendary Creature — Orc Efreet At the beginning of your upkeep, each player exiles cards from the top of their library until they exile a nonland card. An opponent chooses a nonland card exiled this way. You may cast up to two spells from among the other cards exiled this way without paying their mana costs. 5/4
Revealing Wind 2GInstant Prevent all combat damage that would be dealt this turn. You may look at each face-down creature that's attacking or blocking.
Ellie and Alan, Paleontologists 2GWULegendary Creature — Human Scientist {T}, Exile a creature card from your graveyard: Discover X, where X is the mana value of the exiled card. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) 2/5
Spirit of Malevolence 1BCreature — Spirit When Spirit of Malevolence dies, each opponent loses 1 life and you gain 1 life. 2/1
Protean Thaumaturge 1UCreature — Human Wizard Constellation — Whenever an enchantment enters the battlefield under your control, you may have Protean Thaumaturge become a copy of another target creature, except it has this ability. 1/1
Horn of Deafening 4Artifact {2}, {T}: Prevent all combat damage that would be dealt by target creature this turn.
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