Confidence:StrongSolidPlausibleTentativeSpeculative

• Murmuration

  4W

  EnchantmentW

  Both cards produce the same kind of effect (shared token subtype).
• Hermes, Overseer of Elpis

  3U

  Legendary Creature — Elder WizardU

  Both cards produce the same kind of effect (shared token subtype).
• Rendmaw, Creaking Nest

  3BG

  Legendary Artifact Creature — ScarecrowBG

  Both cards produce the same kind of effect (shared token subtype).
• Riku of Many Paths

  GUR

  Legendary Creature — Human WizardGRU

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

  4WW

  InstantW

  Both cards produce the same kind of effect (shared token subtype).
• Mu Yanling, Sky Dancer

  1UU

  Legendary Planeswalker — YanlingU

  Both cards produce the same kind of effect (shared token subtype).
• The Eagles Are Coming!

  1W

  InstantW

  Both cards produce the same kind of effect (shared token subtype).
• Feroz, Ulgrotha's Warden

  3GWU

  Legendary Planeswalker — FerozGUW

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

  5UU

  SorceryU

  Both cards produce the same kind of effect (shared token subtype).
• Sidequest: Raise a Chocobo // Black Chocobo

  1G

  Enchantment // Creature — BirdG

  Both cards produce the same kind of effect (shared token subtype).
• Radagast, Wizard of Wilds

  2GU

  Legendary Creature — Avatar WizardGU

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

  2WW

  Creature — AngelW

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

  3WU

  SorceryUW

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

  3U

  Creature — Human WizardU

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

  3GU

  Enchantment — SagaGU

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

  3W

  Creature — Human ClericW

  Both cards produce the same kind of effect (shared token subtype).
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Aerie Worshippers's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Chocobo Racetrack

  3GG

  ArtifactG

  Both cards produce the same kind of effect (shared token subtype).
• Falcon and Redwing

  2W

  Legendary Creature — Human Bird HeroW

  Both cards produce the same kind of effect (shared token subtype).
• Love Song of Night and Day

  2W

  Enchantment — SagaW

  Both cards produce the same kind of effect (shared token subtype).
• Beck // Call

  GU4WU

  Sorcery // SorceryGUW

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

  4

  Artifact Creature — GolemC

  Roaming Throne makes Aerie Worshippers's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• The Raven's Warning

  1WU

  Enchantment — SagaUW

  Both cards produce the same kind of effect (shared token subtype).
• Akim, the Soaring Wind

  2URW

  Legendary Creature — Bird DinosaurRUW

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

  3W

  Creature — Human SoldierW

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