Confidence:StrongSolidPlausibleTentativeSpeculative

• Divine Purge

  1WW

  SorceryW

  Divine Purge exiles a permanent and lets its owner cast it again — the recast fires Jace, Vryn's Prodigy's cast trigger or its enter-the-battlefield effect.
• Oko, Lord of the Fae

  1WW

  Legendary Planeswalker — OkoW

  Oko, Lord of the Fae lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Pass the Torch

  1R

  InstantR

  Pass the Torch lets you cast/play from the graveyard, enabling Jace, Vryn's Prodigy's recursion loop.
• Jewel Mine Overseer

  1RW

  Creature — Human NobleRW

  Jewel Mine Overseer lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Arms Scavenger

  1R

  Creature — Human WarriorR

  Arms Scavenger lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Thought-String Analyst

  UB

  Creature — Human WizardBU

  Thought-String Analyst lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Pep, Raucous Raider

  2RG

  Legendary Creature — Noggle RogueGR

  Pep, Raucous Raider lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• A-Alrund, God of the Cosmos // A-Hakka, Whispering Raven

  3UU1U

  Legendary Creature — God // Legendary Creature — BirdU

  A-Alrund, God of the Cosmos bounces a permanent, enabling Jace, Vryn's Prodigy's recast / spell-cast trigger.
• Tibalt, Wicked Tormentor

  3RR

  Legendary Planeswalker — TibaltR

  Tibalt, Wicked Tormentor lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Junkyard Scrapper

  2R

  Creature — Goblin ArtificerR

  Junkyard Scrapper lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Etali, Primal Garden

  6G

  Legendary Creature — Elder DinosaurG

  Etali, Primal Garden lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Valgavoth, the Lifeline

  2W

  Legendary Creature — Insect AngelW

  Valgavoth, the Lifeline lets you cast/play from the graveyard, enabling Jace, Vryn's Prodigy's recursion loop.
• Reezug, the Bonecobbler

  1B

  Legendary Creature — Spirit ArtificerB

  Reezug, the Bonecobbler lets you cast/play from the graveyard, enabling Jace, Vryn's Prodigy's recursion loop.
• Dazzling Flameweaver

  1BR

  Creature — Lizard WarlockBR

  Dazzling Flameweaver lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• A-Acererak the Archlich

  2B

  Legendary Creature — Zombie WizardB

  A-Acererak the Archlich bounces a permanent, enabling Jace, Vryn's Prodigy's recast / spell-cast trigger.
• Bank Job

  1BR

  EnchantmentBR

  Bank Job lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• A-Nashi, Moon Sage's Scion

  1BB

  Legendary Creature — Rat NinjaB

  A-Nashi, Moon Sage's Scion lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Ghitu Embercoiler

  1R

  Creature — Human WizardR

  Ghitu Embercoiler lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Candela, Aegis of Adagia

  W

  Legendary Artifact — SpacecraftW

  Candela, Aegis of Adagia bounces a permanent, enabling Jace, Vryn's Prodigy's recast / spell-cast trigger.
• Stonehide Ancient // Warning Tremor

  3GUR2R

  Creature — Dragon // Sorcery — OmenGRU

  Stonehide Ancient bounces a permanent, enabling Jace, Vryn's Prodigy's recast / spell-cast trigger.
• Electrostatic Blast

  1R

  InstantR

  Electrostatic Blast lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Rahilda, Wanted Cutthroat // Rahilda, Feral Outlaw

  1R

  Legendary Creature — Human Werewolf // Legendary Creature — WerewolfR

  Rahilda, Wanted Cutthroat lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• Tempest Trapper

  2U

  Creature — Otter WizardU

  Tempest Trapper lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.
• A-Mentor's Guidance

  1U

  SorceryU

  Jace, Vryn's Prodigy lets you cast/play from the graveyard, enabling A-Mentor's Guidance's recursion loop.
• Kayla's Kindling

  3RR

  EnchantmentR

  Kayla's Kindling lets you cast/play from exile, enabling Jace, Vryn's Prodigy's exile-recursion loop.