Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Nath of the Gilt-Leaf

  3BG

  Legendary Creature — Elf WarriorBG

  Sire of Insanity makes opponents discard, fueling Nath of the Gilt-Leaf's discard payoff.
• Aclazotz, Deepest Betrayal // Temple of the Dead

  3BB

  Legendary Creature — Bat God // LandB

  Sire of Insanity makes opponents discard, fueling Aclazotz, Deepest Betrayal's discard payoff.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Currency Converter

  1

  ArtifactC

  Sire of Insanity makes opponents discard, fueling Currency Converter's discard payoff.
• Yore-Tiller Nephilim

  WUBR

  Creature — NephilimBRUW

  Yore-Tiller Nephilim puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Necropotence

  BBB

  EnchantmentB

  Sire of Insanity makes opponents discard, fueling Necropotence's discard payoff.
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

  Sefris of the Hidden Ways puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Recurring Nightmare

  2B

  EnchantmentB

  Recurring Nightmare puts Sire of Insanity 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 Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Waste Not

  1B

  EnchantmentB

  Sire of Insanity makes opponents discard, fueling Waste Not's discard payoff.
• Midnight Oil

  2BB

  EnchantmentB

  Sire of Insanity makes opponents discard, fueling Midnight Oil's discard payoff.
• Lazotep Chancellor

  UB

  Creature — Zombie WizardBU

  Sire of Insanity makes opponents discard, fueling Lazotep Chancellor's discard payoff.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Hell's Caretaker

  3B

  Creature — HorrorB

  Hell's Caretaker puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Tinybones, Bauble Burglar

  1B

  Legendary Creature — Skeleton RogueB

  Sire of Insanity makes opponents discard, fueling Tinybones, Bauble Burglar's discard payoff.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Kardur's Vicious Return

  2BR

  Enchantment — SagaBR

  Kardur's Vicious Return puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Dance of the Dead

  1B

  Enchantment — AuraB

  Dance of the Dead puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Meren of Clan Nel Toth

  2BG

  Legendary Creature — Human ShamanBG

  Meren of Clan Nel Toth puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Victimize

  2B

  SorceryB

  Victimize puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Persist

  1B

  SorceryB

  Persist puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Soul Exchange

  BB

  SorceryB

  Soul Exchange puts Sire of Insanity onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Green Goblin, Back for More

  3BB

  Legendary Creature — Goblin Human VillainB

  Sire of Insanity makes opponents discard, fueling Green Goblin, Back for More's discard payoff.