Confidence:StrongSolidPlausibleTentativeSpeculative

• Emberheart Challenger

  1R

  Creature — Mouse WarriorR

  Jeweled Amulet is a free spell, so Emberheart Challenger's cast trigger fires for nothing.
• Pompous Battlemage // Improvised Act

  RR

  Creature — Goblin Sorcerer // SorceryR

  Jeweled Amulet is a free spell, so Pompous Battlemage's cast trigger fires for nothing.
• Fugitive Codebreaker

  1R

  Creature — Goblin RogueR

  Jeweled Amulet is a free spell, so Fugitive Codebreaker's cast trigger fires for nothing.
• Emry, Lurker of the Loch

  2U

  Legendary Creature — Merfolk WizardU

  Jeweled Amulet is a free artifact, so Emry, Lurker of the Loch's affinity cost drops the moment it is on the battlefield.
• Drake Hatcher

  1U

  Creature — Human WizardU

  Jeweled Amulet is a free spell, so Drake Hatcher's cast trigger fires for nothing.
• Variable Chaser // Arc of Fortune

  2U2U

  Creature — Human Wizard // SorceryU

  Jeweled Amulet is a free spell, so Variable Chaser's cast trigger fires for nothing.
• Sokka, Tenacious Tactician

  1URW

  Legendary Creature — Human Warrior AllyRUW

  Jeweled Amulet is a free spell, so Sokka, Tenacious Tactician's cast trigger fires for nothing.
• Voltaic Key

  1

  ArtifactC

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• Jhessian Thief

  2U

  Creature — Human RogueU

  Jeweled Amulet is a free spell, so Jhessian Thief's cast trigger fires for nothing.
• Kitsa, Otterball Elite

  1U

  Legendary Creature — Otter WizardU

  Jeweled Amulet is a free spell, so Kitsa, Otterball Elite's cast trigger fires for nothing.
• Monastery Swiftspear

  R

  Creature — Human MonkR

  Jeweled Amulet is a free spell, so Monastery Swiftspear's cast trigger fires for nothing.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Jeweled Amulet's tap activation.
• Pyre Rhymer // Molten Tide

  1RRR

  Creature — Elemental Sorcerer // InstantR

  Jeweled Amulet is a free spell, so Pyre Rhymer's cast trigger fires for nothing.
• Monastery Mentor

  2W

  Creature — Human MonkW

  Jeweled Amulet is a free spell, so Monastery Mentor's cast trigger fires for nothing.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Jeweled Amulet's tap activation.
• Stormchaser Mage

  UR

  Creature — Human WizardRU

  Jeweled Amulet is a free spell, so Stormchaser Mage's cast trigger fires for nothing.
• Elusive Otter // Grove's Bounty

  UXG

  Creature — Otter // Sorcery — AdventureGU

  Jeweled Amulet is a free spell, so Elusive Otter's cast trigger fires for nothing.
• Manifold Key

  1

  ArtifactC

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• Stormcatch Mentor

  UR

  Creature — Otter WizardRU

  Jeweled Amulet is a free spell, so Stormcatch Mentor's cast trigger fires for nothing.
• Elsha of the Infinite

  2URW

  Legendary Creature — Djinn MonkRUW

  Jeweled Amulet is a free spell, so Elsha of the Infinite's cast trigger fires for nothing.
• Sage-Eye Avengers

  4UU

  Creature — Djinn MonkU

  Jeweled Amulet is a free spell, so Sage-Eye Avengers's cast trigger fires for nothing.
• Grim Repriser

  BR

  Creature — Zombie BardBR

  Jeweled Amulet is a free spell, so Grim Repriser's cast trigger fires for nothing.
• Eris, Roar of the Storm

  8UR

  Legendary Creature — Elemental WarlockRU

  Jeweled Amulet is a free spell, so Eris, Roar of the Storm's cast trigger fires for nothing.
• Niblis of Frost

  2UU

  Creature — SpiritU

  Jeweled Amulet is a free spell, so Niblis of Frost's cast trigger fires for nothing.
• Khenra Spellspear // Gitaxian Spellstalker

  1R

  Creature — Jackal Warrior // Creature — Phyrexian JackalRU

  Jeweled Amulet is a free spell, so Khenra Spellspear's cast trigger fires for nothing.