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
Sivvi's Ruse 2WWInstant If an opponent controls a Mountain and you control a Plains, you may cast this spell without paying its mana cost. Prevent all damage that would be dealt this turn to creatures you control.
Spinning Wheel 3Artifact {T}: Add one mana of any color. {5}, {T}: Tap target creature.
Manor Guardian 2BCreature — Demon When Manor Guardian dies, each player seeks a nonland card with mana value 2 or less. 4/3
Reanimate BSorcery Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.
Tin Street Gossip 2RGCreature — Viashino Advisor Vigilance {T}: Add {R}{G}. Spend this mana only to cast face-down spells or to turn creatures face up. 4/4
Blossom-Clad Werewolf Creature — Werewolf {T}: Add two mana of any one color. Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) 3/4
Cascading Cataracts Land Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.
Weaver of Blossoms 2GCreature — Human Werewolf {T}: Add one mana of any color. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) 2/3
Xenic Poltergeist 1BBCreature — Spirit {T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 1/1
Thought-String Analyst UBCreature — Human Wizard At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/2
Page 47