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
Leyline of Combustion 2RREnchantment If Leyline of Combustion is in your opening hand, you may begin the game with it on the battlefield. Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, Leyline of Combustion deals 2 damage to that player.
Adarkar Windform 4USnow Creature — Illusion Flying {1}{S}: Target creature loses flying until end of turn. ({S} can be paid with one mana from a snow source.) 3/3
Hollowborn Barghest 5BBCreature — Demon Dog At the beginning of your upkeep, if you have no cards in hand, each opponent loses 2 life. At the beginning of each opponent's upkeep, if that player has no cards in hand, they lose 2 life. 7/6
Soul Bleed 2BEnchantment — Aura Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player loses 1 life.
Vedalken Humiliator 3UCreature — Vedalken Wizard Metalcraft — Whenever Vedalken Humiliator attacks, if you control three or more artifacts, creatures your opponents control lose all abilities and have base power and toughness 1/1 until end of turn. 3/4
Reprobation 1WEnchantment — Aura Enchant creature Enchanted creature loses all abilities and is a Coward creature with base power and toughness 0/1. (It keeps all supertypes but loses all other types and creature types.)
The Moment 2Legendary Artifact At the beginning of your upkeep, put a time counter on The Moment. {2}, {T}: Untap target creature you control. It phases out until The Moment leaves the battlefield. {3}, {T}: Destroy each nonland permanent with mana value less than or equal to the number of time counters on The Moment. Then sacrifice The Moment. Activate only as a sorcery.
Sonic Screwdriver 3Artifact {T}: Add one mana of any color. {1}, {T}: Untap another target artifact. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {3}, {T}: Target creature can't be blocked this turn.
Gang of Elk 5GCreature — Elk Beast Whenever Gang of Elk becomes blocked, it gets +2/+2 until end of turn for each creature blocking it. 5/4
Brotherhood Outcast 2WCreature — Human Soldier When Brotherhood Outcast enters the battlefield, choose one — • Return target Aura or Equipment card with mana value 3 or less from your graveyard to the battlefield. • Put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) 3/2
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