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
Angel of Eternal Dawn 2WCreature — Angel Flying When Angel of Eternal Dawn enters the battlefield, it becomes day. It can't become night. Your opponents can't cast spells with mana value greater than the number of turns they have begun. 2/4
Geosurge RRRRSorcery Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.
Rootcoil Creeper GUCreature — Plant Horror {T}: Add one mana of any color. {T}: Add two mana of any one color. Spend this mana only to cast spells from your graveyard. {G}{U}, {T}, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand. 2/2
Ali from Cairo 2RRCreature — Human Damage that would reduce your life total to less than 1 reduces it to 1 instead. 0/1
Wrexial, the Risen Deep 3UUBLegendary Creature — Kraken Islandwalk, swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp.) Whenever Wrexial, the Risen Deep deals combat damage to a player, you may cast target instant or sorcery card from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 5/8
Isareth the Awakener 1BBLegendary Creature — Human Wizard Deathtouch Whenever Isareth the Awakener attacks, you may pay {X}. When you do, return target creature card with mana value X from your graveyard to the battlefield with a corpse counter on it. If that creature would leave the battlefield, exile it instead of putting it anywhere else. 3/3
Archon of Coronation 4WWCreature — Archon Flying When Archon of Coronation enters the battlefield, you become the monarch. As long as you're the monarch, damage doesn't cause you to lose life. (When a creature deals combat damage to you, its controller still becomes the monarch.) 5/5
Lorcan, Warlock Collector 5BBLegendary Creature — Devil Flying Whenever a creature card is put into an opponent's graveyard from anywhere, you may pay life equal to its mana value. If you do, put it onto the battlefield under your control. It's a Warlock in addition to its other types. If a Warlock you control would die, exile it instead. 6/6
Mana Short 2UInstant Tap all lands target player controls and that player loses all unspent mana.
Tome of the Infinite 2ULegendary Artifact {U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
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