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
Psychic Intrusion 3UBSorcery Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Corpsejack Menace 2BGCreature — Fungus If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead. 4/4
Cryptolith Fragment 3Artifact Cryptolith Fragment enters the battlefield tapped. {T}: Add one mana of any color. Each player loses 1 life. At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.
Toymaker 2Artifact Creature — Spellshaper {1}, {T}, Discard a card: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. (It retains its abilities.) 1/1
Divine Presence 2WEnchantment If a source would deal 4 or more damage to a permanent or player, that source deals 3 damage to that permanent or player instead.
Lifespring Druid 2GCreature — Elf Druid {T}: Add one mana of any color. 2/1
Rosethorn Acolyte 2GCreature — Elf Druid {T}: Add one mana of any color. 2/3
Perilous Iteration RGSorcery Seek a card with mana value 2 or less and a card with mana value 3 or greater. Discard those cards at the beginning of your next turn's end step.
Helionaut 2WCreature — Human Soldier Flying {1}, {T}: Add one mana of any color. 1/2
Gruesome Menagerie 3BBSorcery Choose a creature card with mana value 1 in your graveyard, then do the same for creature cards with mana value 2 and 3. Return those cards to the battlefield.
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