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
Forbidden Orchard Land {T}: Add one mana of any color. Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.
Dance with Calamity 7RSorcery Shuffle your library. As many times as you choose, you may exile the top card of your library. If the total mana value of the cards exiled this way is 13 or less, you may cast any number of spells from among those cards without paying their mana costs.
Captain Rex Nebula 1RWLegendary Creature — Human Pilot Employee At the beginning of combat on your turn, choose target nonland permanent you control. Until end of turn, it becomes a Vehicle artifact with base power and toughness each equal to its mana value, and it gains crew 2 and "Crash Land — Whenever this Vehicle deals damage, roll a six-sided die. If the result is equal to this Vehicle's mana value, sacrifice this Vehicle, then it deals that much damage to any target." 2/2
Dennick, Pious Apparition Legendary Creature — Spirit Soldier Flying Whenever one or more creature cards are put into graveyards from anywhere, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") If Dennick, Pious Apparition would be put into a graveyard from anywhere, exile it instead. 3/2
Sunken Citadel Land — Cave Sunken Citadel enters the battlefield tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. {T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.
Kessig Naturalist RGCreature — Human Werewolf Whenever Kessig Naturalist attacks, add {R} or {G}. Until end of turn, you don't lose this mana as steps and phases end. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) 2/2
Sakura-Tribe Springcaller 3GCreature — Snake Shaman At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end. 2/4
Power Sink XUInstant Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.
Keruga, the Macrosage 3G/UG/ULegendary Creature — Dinosaur Hippo Companion — Your starting deck contains only cards with mana value 3 or greater and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) When Keruga, the Macrosage enters the battlefield, draw a card for each other permanent you control with mana value 3 or greater. 5/4
Granulate 2RRSorcery Destroy each nonland artifact with mana value 4 or less.
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