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
Anje, Maid of Dishonor 2BRLegendary Creature — Vampire Whenever Anje, Maid of Dishonor and/or one or more other Vampires enter the battlefield under your control, create a Blood token. This ability triggers only once each turn. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") {2}, Sacrifice another creature or a Blood token: Each opponent loses 2 life and you gain 2 life. 4/5
Shaman of the Pack 1BGCreature — Elf Shaman When Shaman of the Pack enters the battlefield, target opponent loses life equal to the number of Elves you control. 3/2
Ice Cave 3UUEnchantment Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.)
Venom 1GGEnchantment — Aura Enchant creature Whenever enchanted creature blocks or becomes blocked by a non-Wall creature, destroy the other creature at end of combat.
Gideon, Battle-Forged Legendary Planeswalker — Gideon [+2]: Up to one target creature an opponent controls attacks Gideon, Battle-Forged during its controller's next turn if able. [+1]: Until your next turn, target creature gains indestructible. Untap that creature. [0]: Until end of turn, Gideon, Battle-Forged becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. Loyalty 3
Abomination 3BBCreature — Horror Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat. 2/6
Vela the Night-Clad 4UBLegendary Creature — Human Wizard Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Other creatures you control have intimidate. Whenever Vela the Night-Clad or another creature you control leaves the battlefield, each opponent loses 1 life. 4/4
Hierophant's Chalice 3Artifact When Hierophant's Chalice enters the battlefield, target opponent loses 1 life and you gain 1 life. {T}: Add {C}.
Aetherworks Marvel 4Legendary Artifact Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter). {T}, Pay {E}{E}{E}{E}{E}{E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
Exterminate! 2BSorcery Replicate—Tap an untapped Dalek you control. (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Destroy target creature. Its controller loses 3 life.
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