Confidence:StrongSolidPlausibleTentativeSpeculative

• Grist, Voracious Larva // Grist, the Plague Swarm

  G

  Legendary Creature — Insect // Legendary Planeswalker — GristBG

  Both cards produce the same kind of effect (shared token subtype).
• Fumulus, the Infestation

  3B

  Legendary Creature — Vampire InsectB

  Both cards produce the same kind of effect (shared token subtype).
• Hiveheart Shaman

  3G

  Creature — Human ShamanG

  Both cards produce the same kind of effect (shared token subtype).
• The Swarmweaver

  2BG

  Legendary Artifact Creature — ScarecrowBG

  Both cards produce the same kind of effect (shared token subtype).
• Vrestin, Menoptra Leader

  XGGW

  Legendary Creature — Alien Insect ScoutGW

  Both cards produce the same kind of effect (shared token subtype).
• Amzu, Swarm's Hunger

  3BG

  Legendary Creature — Insect ShamanBG

  Both cards produce the same kind of effect (shared token subtype).
• Aatchik, Emerald Radian

  3BBG

  Legendary Creature — Insect DruidBG

  Both cards produce the same kind of effect (shared token subtype).
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Both cards produce the same kind of effect (shared token subtype).
• Reanimate

  B

  SorceryB

  Reanimate puts Symbiotic Wurm 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 Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Liliana, Death's Majesty

  3BB

  Legendary Planeswalker — LilianaB

  Liliana, Death's Majesty puts Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Yore-Tiller Nephilim

  WUBR

  Creature — NephilimBRUW

  Yore-Tiller Nephilim puts Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

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

  2B

  EnchantmentB

  Recurring Nightmare puts Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unfinished Business

  3WW

  SorceryW

  Unfinished Business puts Symbiotic Wurm 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 Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Giant Adephage

  5GG

  Creature — InsectG

  Both cards produce the same kind of effect (shared token subtype).
• The Cruelty of Gix

  3BB

  Enchantment — SagaB

  The Cruelty of Gix puts Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Overlord of the Mistmoors

  5WW

  Enchantment Creature — Avatar HorrorW

  Both cards produce the same kind of effect (shared token subtype).
• Eumidian Hatchery

  LandB

  Both cards produce the same kind of effect (shared token subtype).
• Grist, the Hunger Tide

  1BG

  Legendary Planeswalker — GristBG

  Both cards produce the same kind of effect (shared token subtype).
• Infestation Sage

  B

  Creature — Elf WarlockB

  Both cards produce the same kind of effect (shared token subtype).
• Animate Dead

  1B

  Enchantment — AuraB

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

  1B

  SorceryB

  Exhume puts Symbiotic Wurm 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 Symbiotic Wurm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.