15 more formats
Confidence:StrongSolidPlausibleTentativeSpeculative
- Creature — Goblin RogueR
Mox Opal is a free spell, so Fugitive Codebreaker's cast trigger fires for nothing.
- Creature — Mouse WarriorR
Mox Opal is a free spell, so Emberheart Challenger's cast trigger fires for nothing.
- 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.
- Creature — Human WizardR
Mox Opal is a free spell, so Harmonic Prodigy'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 MonkR
Mox Opal is a free spell, so Monastery Swiftspear'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 — Human Advisor AllyU
Mox Opal is a free spell, so Master Pakku's cast trigger fires for nothing.
- 5WUSorceryUW
Mox Opal is a free artifact, so Voyage Home's affinity cost drops the moment it is on the battlefield.
- InstantU
Intellectual Offering untaps all (or many) permanents, refreshing Mox Opal's tap activation.
- Legendary Creature — Elemental WarlockRU
Mox Opal is a free spell, so Eris, Roar of the Storm's cast trigger fires for nothing.
- Legendary Creature — Human Hero // Legendary Creature — Elemental HeroRW
Mox Opal is a free spell, so Monica Rambeau's cast trigger fires for nothing.
- Creature — Homunculus // Creature — Eldrazi HomunculusU
Mox Opal is a free spell, so Curious Homunculus's cast trigger fires for nothing.
- Artifact Creature — Zombie RatB
Mox Opal is a free artifact, so Refurbished Familiar's affinity cost drops the moment it is on the battlefield.
- Creature — Human MonkW
Mox Opal is a free spell, so Monastery Mentor's cast trigger fires for nothing.
- Creature — Human WizardRU
Mox Opal is a free spell, so Stormchaser Mage's cast trigger fires for nothing.
- EnchantmentU
Unstoppable Plan untaps all (or many) permanents, refreshing Mox Opal's tap activation.
- 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.
- Legendary Creature — Djinn MonkRUW
Mox Opal is a free spell, so Elsha of the Infinite's cast trigger fires for nothing.
- InstantU
Mox Opal is a free artifact, so Assert Authority's affinity cost drops the moment it is on the battlefield.
- Creature — Djinn MonkU
Mox Opal is a free spell, so Sage-Eye Avengers'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 Rogue // Creature — Human WizardU
Mox Opal is a free spell, so Daring Sleuth's cast trigger fires for nothing.
- SorceryU
Mox Opal is a free artifact, so Thoughtcast's affinity cost drops the moment it is on the battlefield.
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.
- Creature — Human WizardR
Mox Opal is a free spell, so Frenzied Geistblaster'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 MercenaryRU
Mox Opal is a free spell, so Sapphire Collector'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.
- Legendary Creature — Spirit ClericBW
Mox Opal is a free spell, so Veko, Death's Doorkeeper'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.
Mox Jasper0Legendary ArtifactC
Flywheel Racer2Artifact — VehicleC
Mox Amber0Legendary ArtifactC
Sceptre of Eternal Glory4Legendary ArtifactC
Glistening Sphere3ArtifactC
Spire of IndustryLandC
Urza's WorkshopLand — Urza'sC
Pyramid of the Pantheon1ArtifactC
Sunbillow VergeLandRW
Thornspire VergeLandGR
Riverpyre VergeLandRU
Arcane Signet2ArtifactC