Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Dennick, Pious Apprentice // Dennick, Pious Apparition

  WU

  Legendary Creature — Human Soldier // Legendary Creature — Spirit SoldierUW

  Jon Irenicus, the Exile mills (or dredges) cards into your graveyard, and Dennick, Pious Apprentice pays off whenever a card — or a card of the type it names — is put into a graveyard from anywhere; the more it mills, the likelier it hits.
• Harmonic Prodigy

  1R

  Creature — Human WizardR

  Harmonic Prodigy makes Jon Irenicus, the Exile's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Victimize

  2B

  SorceryB

  Victimize puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Ascent of the Worthy

  1WB

  Enchantment — SagaBW

  Ascent of the Worthy puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Jon Irenicus, the Exile's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Necromancy

  2B

  EnchantmentB

  Necromancy puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Too Evil to Stay Dead

  2B

  SorceryB

  Too Evil to Stay Dead puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Jon Irenicus, the Exile's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Honor the Past

  2W

  SorceryW

  Honor the Past puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• The Haunt of Hightower

  4BB

  Legendary Creature — VampireB

  Jon Irenicus, the Exile mills (or dredges) cards into your graveyard, and The Haunt of Hightower pays off whenever a card — or a card of the type it names — is put into a graveyard from anywhere; the more it mills, the likelier it hits.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Jon Irenicus, the Exile's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Bloodchief Ascension

  B

  EnchantmentB

  Jon Irenicus, the Exile mills (or dredges) cards into your graveyard, and Bloodchief Ascension pays off whenever a card — or a card of the type it names — is put into a graveyard from anywhere; the more it mills, the likelier it hits.
• Karai, Future of the Foot

  1WB

  Legendary Creature — Human NinjaBW

  Karai, Future of the Foot puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• One Last Job

  2W

  SorceryW

  One Last Job puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Rat King, Verminister

  1B

  Legendary Creature — Rat AvatarB

  Rat King, Verminister puts Jon Irenicus, the Exile onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Jon Irenicus, the Exile's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.