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
Cloud Cover 2WUEnchantment Whenever another permanent you control becomes the target of a spell or ability an opponent controls, you may return that permanent to its owner's hand.
Mercurial Chemister 3URCreature — Human Wizard {U}, {T}: Draw two cards. {R}, {T}, Discard a card: Mercurial Chemister deals damage to target creature equal to the discarded card's mana value. 2/3
Burning-Tree Shaman 1RGCreature — Centaur Shaman Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player. 3/4
Arcane Lighthouse Land {T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.
Sephara, Sky's Blade 4WWWLegendary Creature — Angel You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost. Flying, lifelink Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.) 7/7
Collective Voyage GSorcery Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.
Grafted Growth 2GEnchantment — Aura Enchant land When Grafted Growth enters the battlefield, put a +1/+1 counter on target creature or Vehicle you control. Enchanted land has "{T}: Add two mana of any one color."
Springjack Pasture Land {T}: Add {C}. {4}, {T}: Create a 0/1 white Goat creature token. {T}, Sacrifice X Goats: Add X mana of any one color. You gain X life.
Brilliant Ultimatum WWUUUBBSorcery Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost.
Lidless Gaze 2BRSorcery Exile the top card of each player's library. Until the end of your next turn, you may play those cards, and mana of any type can be spent to cast them. Flashback {2}{B}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
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