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
Conduit of Ruin 6Creature — Eldrazi When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top. The first creature spell you cast each turn costs {2} less to cast. 5/5
Haunted One 2BLegendary Enchantment — Background Commander creatures you own have "Whenever this creature becomes tapped, it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn." (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Emperor Apatzec Intli IV RGWLegendary Creature — Human Noble Whenever another creature enters the battlefield under your control, that creature perpetually gains haste if its power is 4 or greater. If its toughness is 4 or greater, you gain 4 life. If its mana value is 4 or greater, seek a creature card. 3/4
Statecraft 3UEnchantment Prevent all combat damage that would be dealt to and dealt by creatures you control.
Summary Judgment 1WInstant Summary Judgment deals 3 damage to target tapped creature. Addendum — If you cast this spell during your main phase, it deals 5 damage instead.
Gríma, Saruman's Footman 2UBLegendary Creature — Human Advisor Gríma, Saruman's Footman can't be blocked. Whenever Gríma deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order. 1/4
Phantom Tiger 2GCreature — Cat Spirit Phantom Tiger enters the battlefield with two +1/+1 counters on it. If damage would be dealt to Phantom Tiger, prevent that damage. Remove a +1/+1 counter from Phantom Tiger. 1/0
Necromancy 2BEnchantment You may cast Necromancy as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step. When Necromancy enters the battlefield, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach Necromancy to it. When Necromancy leaves the battlefield, that creature's controller sacrifices it.
Dress Down 1UEnchantment Flash When Dress Down enters the battlefield, draw a card. Creatures lose all abilities. At the beginning of the end step, sacrifice Dress Down.
Katsumasa, the Animator 2UULegendary Creature — Moonfolk Artificer Flying {2}{U}: Until end of turn, target noncreature artifact you control becomes an artifact creature and gains flying. If it's not a Vehicle, it has base power and toughness 1/1 until end of turn. At the beginning of your upkeep, put a +1/+1 counter on each of up to three target noncreature artifacts. 3/3
Page 403