Confidence:StrongSolidPlausibleTentativeSpeculative

• Sophia, Dogged Detective

  1GWU

  Legendary Creature — Human DetectiveGUW

  Both cards produce the same kind of effect (shared token subtype).
• Rin and Seri, Inseparable

  1RGW

  Legendary Creature — Dog CatGRW

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

  B

  SorceryB

  Reanimate puts Dog Walker onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

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

  B

  SorceryB

  Unearth puts Dog Walker 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 Dog Walker onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Jinnie Fay, Jetmir's Second

  R/GGG/W

  Legendary Creature — Elf DruidGRW

  Both cards produce the same kind of effect (shared token subtype).
• Jiang Yanggu, Never Alone

  3G

  Legendary Creature — Human DruidG

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

  4UU

  Legendary Planeswalker — MordenkainenU

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

  4G

  Legendary Planeswalker — YangguG

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

  4

  Artifact Creature — GolemC

  Roaming Throne makes Dog Walker's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Rufus Shinra

  1WB

  Legendary Creature — Human NobleBW

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

  3G

  Creature — DogG

  Both cards produce the same kind of effect (shared token subtype).
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Dog Walker's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Panoptic Projektor

  4

  ArtifactC

  Panoptic Projektor makes Dog Walker's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Release the Dogs

  3W

  SorceryW

  Both cards produce the same kind of effect (shared token subtype).
• Captain Jonathan Archer

  2G

  Legendary Creature — Human OfficerG

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

  W

  Artifact — Food EquipmentW

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

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Dog Walker's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Rinoa Heartilly

  3GW

  Legendary Creature — Human Rebel WarlockGW

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