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
Sorcerer's Strongbox 4Artifact {2}, {T}: Flip a coin. If you win the flip, sacrifice Sorcerer's Strongbox and draw three cards.
Damping Sphere 2Artifact If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.
Goblin Bangchuckers 2RRCreature — Goblin Warrior {T}: Flip a coin. If you win the flip, Goblin Bangchuckers deals 2 damage to any target. If you lose the flip, Goblin Bangchuckers deals 2 damage to itself. 2/2
Astrolabe 3Artifact {1}, {T}, Sacrifice Astrolabe: Add two mana of any one color. Draw a card at the beginning of the next turn's upkeep.
Desolation Giant 2RRCreature — Giant Kicker {W}{W} (You may pay an additional {W}{W} as you cast this spell.) When Desolation Giant enters the battlefield, destroy all other creatures you control. If it was kicked, destroy all other creatures instead. 3/3
Krovikan Whispers 3UEnchantment — Aura Enchant creature Cumulative upkeep {U} or {B} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) You control enchanted creature. When Krovikan Whispers is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.
The Meep 2BLegendary Creature — Alien Ward—Pay 3 life. Whenever The Meep attacks, you may sacrifice another creature. If you do, creatures you control have base power and toughness X/X until end of turn, where X is the sacrificed creature's mana value. 0/4
Night Dealings 2BBEnchantment Whenever a source you control deals damage to another player, put that many theft counters on Night Dealings. {2}{B}{B}, Remove X theft counters from Night Dealings: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.
Alliance of Arms WSorcery Join forces — Starting with you, each player may pay any amount of mana. Each player creates X 1/1 white Soldier creature tokens, where X is the total amount of mana paid this way.
Soul Shatter 2BInstant Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.
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