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
Soul Search WBSorcery Target opponent reveals their hand. You choose a nonland card from it. Exile that card. If the card's mana value is 1 or less, create a 1/1 white and black Spirit creature token with flying.
Breath of Darigaaz 1RSorcery Kicker {2} (You may pay an additional {2} as you cast this spell.) Breath of Darigaaz deals 1 damage to each creature without flying and each player. If this spell was kicked, it deals 4 damage to each creature without flying and each player instead.
Starscream, Seeker Leader Legendary Artifact — Vehicle Living metal (As long as it's your turn, this Vehicle is also a creature.) Flying, menace, haste Whenever Starscream deals combat damage to a player, if there is no monarch, that player becomes the monarch. Whenever you become the monarch, convert Starscream. 2/3
Planeswalker's Favor 2GEnchantment {3}{G}: Target opponent reveals a card at random from their hand. Target creature gets +X/+X until end of turn, where X is the revealed card's mana value.
Grasping Giant 5WCreature — Giant Vigilance Whenever Grasping Giant becomes blocked by a creature, exile that creature until Grasping Giant leaves the battlefield. 5/7
Barbarian Class REnchantment — Class (Gain the next level as a sorcery to add its ability.) If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll. {1}{R}: Level 2 Whenever you roll one or more dice, target creature you control gets +2/+0 and gains menace until end of turn. {2}{R}: Level 3 Creatures you control have haste.
Alley Grifters 1BBCreature — Human Mercenary Whenever Alley Grifters becomes blocked, defending player discards a card. 2/2
Talon Gates Plane — Dominaria Any time you could cast a sorcery, you may exile a nonland card from your hand with X time counters on it, where X is its mana value. If the exiled card doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, the player may cast it without paying its mana cost. If it's a creature, it has haste.) Whenever chaos ensues, remove two time counters from each suspended card you own.
Smirking Spelljacker 4UCreature — Djinn Wizard Rogue Flash Flying When Smirking Spelljacker enters the battlefield, exile target spell an opponent controls. Whenever Smirking Spelljacker attacks, if a card is exiled with it, you may cast the exiled card without paying its mana cost. 3/3
Vadrik, Astral Archmage 1URLegendary Creature — Human Wizard If it's neither day nor night, it becomes day as Vadrik, Astral Archmage enters the battlefield. Instant and sorcery spells you cast cost {X} less to cast, where X is Vadrik's power. Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik. 1/2
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