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
Cliffhaven Vampire 2WBCreature — Vampire Warrior Ally Flying Whenever you gain life, each opponent loses 1 life. 2/4
Island Sanctuary 1WEnchantment If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.
Knollspine Invocation 1RREnchantment {X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.
Pre-War Formalwear 2WArtifact — Equipment When Pre-War Formalwear enters the battlefield, return target creature card with mana value 3 or less from your graveyard to the battlefield and attach Pre-War Formalwear to it. Equipped creature gets +2/+2 and has vigilance. Equip {3}
Imprison BEnchantment — Aura Enchant creature Whenever a player activates an ability of enchanted creature with {T} in its activation cost that isn't a mana ability, you may pay {1}. If you do, counter that ability. If you don't, destroy Imprison. Whenever enchanted creature attacks or blocks, you may pay {1}. If you do, tap the creature, remove it from combat, and creatures it was blocking that had become blocked by only that creature this combat become unblocked. If you don't, destroy Imprison.
Mistform Mask 1UEnchantment — Aura Enchant creature {1}: Enchanted creature becomes the creature type of your choice until end of turn.
Elemental Expressionist U/RU/RU/RU/RCreature — Orc Wizard Magecraft — Whenever you cast or copy an instant or sorcery spell, choose target creature you control. Until end of turn, it gains "If this creature would leave the battlefield, exile it instead of putting it anywhere else" and "When this creature is put into exile, create a 4/4 blue and red Elemental creature token." (Each instance of that ability triggers separately.) 4/4
Boneshard Slasher 1BCreature — Horror Flying Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it." 1/1
Soul Tithe 1WEnchantment — Aura Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value.
Live Fast 2BSorcery You draw two cards, lose 2 life, and get {E}{E} (two energy counters).
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