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
Avalanche Caller 1USnow Creature — Human Wizard {2}: Target snow land you control becomes a 4/4 Elemental creature with hexproof and haste until end of turn. It's still a land. (A creature with hexproof can't be the target of spells or abilities your opponents control.) 1/3
Mizzix's Mastery 3RSorcery Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery. Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Jund Battlemage 2RCreature — Human Shaman {B}, {T}: Target player loses 1 life. {G}, {T}: Create a 1/1 green Saproling creature token. 2/2
Collector Protector 3WWCreature — Human Gamer {W}, Give an opponent a nonland card you own from outside the game: Prevent the next 1 damage that would be dealt to you or Collector Protector this turn. 2/5
Hunter's Ambush 2GInstant Prevent all combat damage that would be dealt by nongreen creatures this turn.
Leaf-Crowned Elder 2GGCreature — Treefolk Shaman Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Leaf-Crowned Elder, you may reveal it. If you do, you may play that card without paying its mana cost. 3/5
Undead Augur BBCreature — Zombie Wizard Whenever Undead Augur or another Zombie you control dies, you draw a card and you lose 1 life. 2/2
Essence Depleter 2BCreature — Eldrazi Drone Devoid (This card has no color.) {1}{C}: Target opponent loses 1 life and you gain 1 life. ({C} represents colorless mana.) 2/3
Lord Skitter's Blessing 1BEnchantment When Lord Skitter's Blessing enters the battlefield, create a Wicked Role token attached to target creature you control. (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.) At the beginning of your draw step, if you control an enchanted creature, you lose 1 life and you draw an additional card.
Guardian Angel XWInstant Prevent the next X damage that would be dealt to any target this turn. Until end of turn, you may pay {1} any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that permanent or player this turn.
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