15 more formats
Confidence:StrongSolidPlausibleTentativeSpeculative
- Creature — Mouse WarriorR
Mox Opal is a free spell, so Emberheart Challenger's cast trigger fires for nothing.
- Creature — Goblin RogueR
Mox Opal is a free spell, so Fugitive Codebreaker's cast trigger fires for nothing.
- Legendary Creature — Merfolk WizardU
Mox Opal is a free artifact, so Emry, Lurker of the Loch's affinity cost drops the moment it is on the battlefield.
- Creature — Human WizardU
Mox Opal is a free spell, so Drake Hatcher's cast trigger fires for nothing.
- Creature — Human Wizard // SorceryU
Mox Opal is a free spell, so Variable Chaser's cast trigger fires for nothing.
- Legendary Creature — Human Warrior AllyRUW
Mox Opal is a free spell, so Sokka, Tenacious Tactician's cast trigger fires for nothing.
- Creature — Human RogueU
Mox Opal is a free spell, so Jhessian Thief's cast trigger fires for nothing.
- Legendary Creature — Otter WizardU
Mox Opal is a free spell, so Kitsa, Otterball Elite's cast trigger fires for nothing.
- Creature — Human MonkR
Mox Opal is a free spell, so Monastery Swiftspear's cast trigger fires for nothing.
- InstantU
Intellectual Offering untaps all (or many) permanents, refreshing Mox Opal's tap activation.
- Creature — Human MonkW
Mox Opal is a free spell, so Monastery Mentor's cast trigger fires for nothing.
- EnchantmentU
Unstoppable Plan untaps all (or many) permanents, refreshing Mox Opal's tap activation.
- Creature — Human WizardRU
Mox Opal is a free spell, so Stormchaser Mage's cast trigger fires for nothing.
- Creature — Otter // Sorcery — AdventureGU
Mox Opal is a free spell, so Elusive Otter's cast trigger fires for nothing.
- Creature — Goblin Sorcerer // SorceryR
Mox Opal is a free spell, so Pompous Battlemage's cast trigger fires for nothing.
- Creature — Otter WizardRU
Mox Opal is a free spell, so Stormcatch Mentor's cast trigger fires for nothing.
- Legendary Creature — Djinn MonkRUW
Mox Opal is a free spell, so Elsha of the Infinite's cast trigger fires for nothing.
- Creature — Djinn MonkU
Mox Opal is a free spell, so Sage-Eye Avengers's cast trigger fires for nothing.
- Creature — Human MercenaryRU
Mox Opal is a free spell, so Sapphire Collector's cast trigger fires for nothing.
- Creature — Zombie BardBR
Mox Opal is a free spell, so Grim Repriser's cast trigger fires for nothing.
- Legendary Creature — Elemental WarlockRU
Mox Opal is a free spell, so Eris, Roar of the Storm's cast trigger fires for nothing.
- Creature — SpiritU
Mox Opal is a free spell, so Niblis of Frost's cast trigger fires for nothing.
- Creature — Jackal Warrior // Creature — Phyrexian JackalRU
Mox Opal is a free spell, so Khenra Spellspear's cast trigger fires for nothing.
- Creature — Human MonkU
Mox Opal is a free spell, so Jeskai Sage's cast trigger fires for nothing.
- Creature — SpiritG
Seedborn Muse untaps all (or many) permanents, refreshing Mox Opal's tap activation.
MTG Arena only
Synergies with cards played only on MTG Arena (including Arena rebalances). They aren't available in paper Magic.
Confidence:StrongSolidPlausibleTentativeSpeculative
- Creature — Human WizardR
Mox Opal is a free spell, so Ghitu Embercoiler's cast trigger fires for nothing.
- Legendary Creature — ElementalRU
Mox Opal is a free spell, so Salacinder and Soot, Rascals's cast trigger fires for nothing.
- Creature — Human WizardR
Mox Opal is a free spell, so Frenzied Geistblaster's cast trigger fires for nothing.
- Legendary Creature — Human MonkW
Mox Opal is a free spell, so Lam, Storm Crane Elder's cast trigger fires for nothing.
- Creature — Otter WizardU
Mox Opal is a free spell, so Tempest Trapper's cast trigger fires for nothing.
- Creature — PhoenixR
Mox Opal is a free spell, so Managorger Phoenix's cast trigger fires for nothing.
- Creature — Human MonkR
Mox Opal is a free spell, so Dragonblood Twins's cast trigger fires for nothing.
Sceptre of Eternal Glory4Legendary ArtifactC
Glistening Sphere3ArtifactC
MirrexLand — SphereC
Mox Jasper0Legendary ArtifactC
Mox Amber0Legendary ArtifactC
Flywheel Racer2Artifact — VehicleC
Pyramid of the Pantheon1ArtifactC
Mox TantaliteArtifactC
Mox Diamond0ArtifactC
Urza's WorkshopLand — Urza'sC
Astral CornucopiaXXXArtifactC
Spire of IndustryLandC