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
Sphere of the Suns 2Artifact Sphere of the Suns enters the battlefield tapped and with three charge counters on it. {T}, Remove a charge counter from Sphere of the Suns: Add one mana of any color.
Dire Tactics WBInstant Exile target creature. If you don't control a Human, you lose life equal to that creature's toughness.
Surtland Elementalist 5UUCreature — Giant Wizard As an additional cost to cast this spell, reveal a Giant card from your hand or pay {2}. Whenever Surtland Elementalist attacks, you may cast an instant or sorcery spell from your hand without paying its mana cost. 8/8
Possessed Portal 8Artifact If a player would draw a card, that player skips that draw instead. At the beginning of each end step, each player sacrifices a permanent unless they discard a card.
Courier's Briefcase 1GArtifact — Treasure When Courier's Briefcase enters the battlefield, create a 1/1 green and white Citizen creature token. {T}, Sacrifice Courier's Briefcase: Add one mana of any color. {W}{U}{B}{R}{G}, {T}, Sacrifice Courier's Briefcase: Draw three cards.
Nahiri, Forged in Fury 4RWLegendary Creature — Kor Artificer Affinity for Equipment (This spell costs {1} less to cast for each Equipment you control.) Whenever an equipped creature you control attacks, exile the top card of your library. You may play that card this turn. You may cast Equipment spells this way without paying their mana costs. 5/4
Skilled Animator 2UCreature — Human Artificer When Skilled Animator enters the battlefield, target artifact you control becomes an artifact creature with base power and toughness 5/5 for as long as Skilled Animator remains on the battlefield. 1/3
Sanctum of Serra Plane — Serra’s Realm When you planeswalk away from Sanctum of Serra, destroy all nonland permanents. Whenever chaos ensues, you may have your life total become 20.
Parallel Thoughts 3UUEnchantment When Parallel Thoughts enters the battlefield, search your library for seven cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library. If you would draw a card, you may instead put the top card of the pile you exiled into your hand.
Sworn Defender 2WWCreature — Human Knight {1}: Sworn Defender's power becomes the toughness of target creature blocking or being blocked by Sworn Defender minus 1 until end of turn, and Sworn Defender's toughness becomes 1 plus the power of that creature until end of turn. 1/3
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