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
Turn 2UInstant Until end of turn, target creature loses all abilities and becomes a red Weird with base power and toughness 0/1. Fuse (You may cast one or both halves of this card from your hand.)
Lich's Tomb 4Artifact You don't lose the game for having 0 or less life. Whenever you lose life, sacrifice a permanent for each 1 life you lost. (Damage causes loss of life.)
Dragon-Kami's Egg Enchantment Creature — Egg Whenever Dragon-Kami's Egg or a Dragon you control dies, you may cast a creature spell from among cards you own in exile with hatching counters on them without paying its mana cost. 0/1
Honored Heirloom 3Artifact {T}: Add one mana of any color. {2}, {T}: Exile target card from a graveyard.
Shyft 4UCreature — Shapeshifter At the beginning of your upkeep, you may have Shyft become the color or colors of your choice. (This effect lasts indefinitely.) 4/2
Honor Troll 2GCreature — Troll Druid Vigilance If you would gain life, you gain that much life plus 1 instead. Honor Troll gets +2/+1 as long as you have 25 or more life. 2/3
Divine Offering 1WInstant Destroy target artifact. You gain life equal to its mana value.
Clay Pigeon 3Artifact Creature — Bird Flying {1}, Throw Clay Pigeon into the air at least two feet above your head while seated: If you catch Clay Pigeon with one hand, prevent all damage a source of your choice would deal to you this turn and tap Clay Pigeon. Otherwise, sacrifice it. 1/1
Cho-Arrim Legate 2WCreature — Human Soldier If an opponent controls a Swamp and you control a Plains, you may cast this spell without paying its mana cost. Protection from black 1/2
Sliver Gravemother WUBRGLegendary Creature — Sliver The "legend rule" doesn't apply to Slivers you control. Each Sliver creature card in your graveyard has encore {X}, where X is its mana value. Encore {5} ({5}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 6/6
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