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).
• Traveling Chocobo

  2G

  Creature — BirdG

  Traveling Chocobo makes Scute Swarm's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Dragonback Assault

  3GUR

  EnchantmentGRU

  Both cards trigger on landfall — they fire together.
• Sapling Nursery

  6GG

  EnchantmentG

  Both cards trigger on landfall — they fire together.
• The Lost and the Damned

  1UR

  EnchantmentRU

  Both cards trigger on landfall — they fire together.
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Both cards trigger on landfall — they fire together.
• Pia Nalaar, Consul of Revival

  RW

  Legendary Creature — Human ArtificerRW

  Both cards trigger on landfall — they fire together.
• Shanid, Sleepers' Scourge

  1RWB

  Legendary Creature — Human KnightBRW

  Both cards trigger on landfall — they fire together.
• Omnath, Locus of Rage

  3RRGG

  Legendary Creature — ElementalGR

  Both cards trigger on landfall — they fire together.
• Omnath, Locus of Creation

  RGWU

  Legendary Creature — ElementalGRUW

  Both cards trigger on landfall — they fire together.
• Bloodghast

  BB

  Creature — Vampire SpiritB

  Both cards trigger on landfall — they fire together.
• Cosima, God of the Voyage // The Omenkeel

  2U1U

  Legendary Creature — God // Legendary Artifact — VehicleU

  Both cards trigger on landfall — they fire together.
• Primeval Bounty

  5G

  EnchantmentG

  Both cards trigger on landfall — they fire together.
• Reanimate

  B

  SorceryB

  Reanimate puts Scute Swarm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Rampaging Baloths

  4GG

  Creature — BeastG

  Both cards trigger on landfall — they fire together.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Scute Swarm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Scute Swarm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Faldorn, Dread Wolf Herald

  1RG

  Legendary Creature — Human DruidGR

  Both cards trigger on landfall — they fire together.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Scute Swarm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.