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
Pale Moon 1UInstant Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.
Drain Power UUSorcery Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.
Invoke Calamity 1RRRRInstant You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity.
Lich's Mirror 5Artifact If you would lose the game, instead shuffle your hand, your graveyard, and all permanents you own into your library, then draw seven cards and your life total becomes 20.
Stunning Reversal 3BInstant The next time you would lose the game this turn, instead draw seven cards and your life total becomes 1. Exile Stunning Reversal.
Obosh, the Preypiercer 3B/RB/RLegendary Creature — Hellion Horror Companion — Your starting deck contains only cards with odd mana values 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.) If a source you control with an odd mana value would deal damage to a permanent or player, it deals double that damage to that permanent or player instead. 3/5
Bloodletter of Aclazotz 1BBBCreature — Vampire Demon Flying If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.) 2/4
Goblin Dark-Dwellers 3RRCreature — Goblin Menace When Goblin Dark-Dwellers enters the battlefield, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. 4/4
Upwelling 3GEnchantment Players don't lose unspent mana as steps and phases end.
Nefarious Lich BBBBEnchantment If damage would be dealt to you, exile that many cards from your graveyard instead. If you can't, you lose the game. If you would gain life, draw that many cards instead. When Nefarious Lich leaves the battlefield, you lose the game.
Page 2