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
Keen Duelist 1BCreature — Human Wizard At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand. 2/2
Raffine's Guidance WEnchantment — Aura Enchant creature Enchanted creature gets +1/+1. You may cast Raffine's Guidance from your graveyard by paying {2}{W} rather than paying its mana cost.
Veil of Birds UEnchantment When an opponent casts a spell, if Veil of Birds is an enchantment, Veil of Birds becomes a 1/1 Bird creature with flying.
Drana and Linvala 1WWBLegendary Creature — Vampire Angel Flying, vigilance Activated abilities of creatures your opponents control can't be activated. Drana and Linvala has all activated abilities of all creatures your opponents control. You may spend mana as though it were mana of any color to activate those abilities. 3/4
Teferi's Ageless Insight 2UULegendary Enchantment If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.
Vengeful Dead 3BCreature — Zombie Whenever Vengeful Dead or another Zombie dies, each opponent loses 1 life. 3/2
Exile into Darkness 4BSorcery Target player sacrifices a creature with mana value 3 or less. At the beginning of your upkeep, if you have more cards in hand than each opponent, you may return Exile into Darkness from your graveyard to your hand.
Ian Chesterton 2WLegendary Creature — Human Scientist Science Teacher — Each Saga spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast that Saga, copy it for each time you paid its replicate cost. Copies of permanents enter the battlefield as tokens.) Doctor's companion (You can have two commanders if the other is the Doctor.) 2/3
Neoform GUSorcery As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.
Geth, Thane of Contracts 1BBLegendary Creature — Phyrexian Zombie Other creatures you control get -1/-1. {1}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains "If this creature would leave the battlefield, exile it instead of putting it anywhere else." Activate only as a sorcery. 3/4
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