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
Spireside Infiltrator 2RCreature — Human Rogue Whenever Spireside Infiltrator becomes tapped, it deals 1 damage to each opponent. 3/2
Vigor 3GGGCreature — Elemental Incarnation Trample If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way. When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library. 6/6
Quickening Licid 1WCreature — Licid {1}{W}, {T}: Quickening Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {W} to end this effect. Enchanted creature has first strike. 1/1
Wernog, Rider's Chaplain WBLegendary Creature — Human When Wernog, Rider's Chaplain enters or leaves the battlefield, each opponent may investigate. Each opponent who doesn't loses 1 life. You investigate X times, where X is one plus the number of opponents who investigated this way. Friends forever (You can have two commanders if both have friends forever.) 1/2
Liesa, Forgotten Archangel 2WWBLegendary Creature — Angel Flying, lifelink Whenever another nontoken creature you control dies, return that card to its owner's hand at the beginning of the next end step. If a creature an opponent controls would die, exile it instead. 4/5
Nyx Plane — Theros Nontoken creatures are enchantments in addition to their other types. Constellation — Whenever an enchantment enters the battlefield under your control, you gain 1 life. Whenever chaos ensues, choose a color. Add an amount of mana of that color equal to your devotion to that color.
Sheltered Valley Land If Sheltered Valley would enter the battlefield, instead sacrifice each other permanent named Sheltered Valley you control, then put Sheltered Valley onto the battlefield. At the beginning of your upkeep, if you control three or fewer lands, you gain 1 life. {T}: Add {C}.
Frogify 1UEnchantment — Aura Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)
Vault Plunderer 2BCreature — Human Rogue When Vault Plunderer enters the battlefield, target player draws a card and loses 1 life. 3/1
Forbidding Watchtower Land Forbidding Watchtower enters the battlefield tapped. {T}: Add {W}. {1}{W}: Forbidding Watchtower becomes a 1/5 white Soldier creature until end of turn. It's still a land.
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