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
Putrid Cyclops 2BCreature — Zombie Cyclops When Putrid Cyclops enters the battlefield, scry 1, then reveal the top card of your library. Putrid Cyclops gets -X/-X until end of turn, where X is that card's mana value. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) 3/3
Whirlpool Whelm 1UInstant Clash with an opponent, then return target creature to its owner's hand. If you win, you may put that creature on top of its owner's library instead. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)
Fend Off 1WInstant Prevent all combat damage that would be dealt by target creature this turn. Cycling {2} ({2}, Discard this card: Draw a card.)
Benevolent Hydra XGGCreature — Hydra Benevolent Hydra enters the battlefield with X +1/+1 counters on it. If one or more +1/+1 counters would be put on another creature you control, that many plus one +1/+1 counters are put on it instead. {T}, Remove a +1/+1 counter from Benevolent Hydra: Put a +1/+1 counter on another target creature you control. 1/1
Savage Firecat 3RRCreature — Elemental Cat Trample Savage Firecat enters the battlefield with seven +1/+1 counters on it. Whenever you tap a land for mana, remove a +1/+1 counter from Savage Firecat. 0/0
Excruciator 6RRCreature — Avatar Damage that would be dealt by Excruciator can't be prevented. 7/7
Kardum, Patron of Flames 2RRLegendary Creature — Demon Haste Whenever Kardum, Patron of Flames attacks, put a flame counter on it, then seek a card with mana value equal to the number of flame counters on it and exile that card face down. When Kardum dies, put all cards you own exiled with it into your hand. At the beginning of the end step of your next turn, discard those cards. 4/3
Swooping Talon 4WWCreature — Bird Soldier Flying {1}: Swooping Talon loses flying until end of turn. Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.) 2/6
Genju of the Cedars GEnchantment — Aura Enchant Forest {2}: Enchanted Forest becomes a 4/4 green Spirit creature until end of turn. It's still a land. When enchanted Forest is put into a graveyard, you may return Genju of the Cedars from your graveyard to your hand.
Willbreaker 3UUCreature — Human Wizard Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control Willbreaker. 2/3
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