Confidence:StrongSolidPlausibleTentativeSpeculative

• Vivien, Monsters' Advocate

  3GG

  Legendary Planeswalker — VivienG

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

  2G

  Creature — BirdG

  Traveling Chocobo makes Architect of the Untamed's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Garruk, Primal Hunter

  2GGG

  Legendary Planeswalker — GarrukG

  Both cards produce the same kind of effect (shared token subtype).
• 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.
• Ezuri's Predation

  5GGG

  SorceryG

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

  3G

  Creature — BeastG

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

  4RGGW

  Creature — BeastGRW

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

  B

  SorceryB

  Reanimate puts Architect of the Untamed onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Garruk, Curse Breaker

  3GG

  Legendary Planeswalker — GarrukG

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

  4GG

  Creature — BeastG

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

  3GG

  Creature — BeastG

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

  W

  SorceryW

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

  B

  SorceryB

  Unearth puts Architect of the Untamed onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Herd Migration

  6G

  SorceryG

  Both cards produce the same kind of effect (shared token subtype).
• Faldorn, Dread Wolf Herald

  1RG

  Legendary Creature — Human DruidGR

  Both cards trigger on landfall — they fire together.