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
Everlasting Torment 2B/REnchantment Players can't gain life. Damage can't be prevented. All damage is dealt as though its source had wither. (A source with wither deals damage to creatures in the form of -1/-1 counters.)
Demonic Lore 2BEnchantment When Demonic Lore enters the battlefield, draw three cards. At the beginning of your end step, you lose 2 life for each card in your hand.
Clan Guildmage RGCreature — Human Shaman {1}{R}, {T}: Target creature can't block this turn. {2}{G}, {T}: Target land you control becomes a 4/4 Elemental creature with haste until end of turn. It's still a land. 2/2
Ornery Goblin 1RCreature — Goblin Warrior Whenever Ornery Goblin blocks or becomes blocked by a creature, Ornery Goblin deals 1 damage to that creature. 2/1
Glint-Sleeve Siphoner 1BCreature — Human Rogue Menace Whenever Glint-Sleeve Siphoner enters the battlefield or attacks, you get {E} (an energy counter). At the beginning of your upkeep, you may pay {E}{E}. If you do, you draw a card and you lose 1 life. 2/1
Caves of Chaos Adventurer 3RCreature — Human Barbarian Trample When Caves of Chaos Adventurer enters the battlefield, you take the initiative. Whenever Caves of Chaos Adventurer attacks, exile the top card of your library. If you've completed a dungeon, you may play that card this turn without paying its mana cost. Otherwise, you may play that card this turn. 5/3
Fasting WEnchantment At the beginning of your upkeep, put a hunger counter on Fasting. Then destroy Fasting if it has five or more hunger counters on it. If you would begin your draw step, you may skip that step instead. If you do, you gain 2 life. When you draw a card, destroy Fasting.
Hushbringer 1WCreature — Faerie Flying, lifelink Creatures entering the battlefield or dying don't cause abilities to trigger. 1/2
Temporal Aperture 2Artifact {5}, {T}: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.)
Iridian Maelstrom WUBRGSorcery Destroy each creature that isn't all colors.
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