Confidence:StrongSolidPlausibleTentativeSpeculative

• Lagrella, the Magpie

  GWU

  Legendary Creature — Human SoldierGUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Elvish Archivist

  1G

  Creature — Elf ArtificerG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Chishiro, the Shattered Blade

  2RG

  Legendary Creature — Snake SamuraiGR

  Both cards trigger when a creature enters the battlefield — they fire together.
• Weapons Manufacturing

  1R

  EnchantmentR

  Both cards trigger when a creature enters the battlefield — they fire together.
• Tetzin, Gnome Champion // The Golden-Gear Colossus

  URW

  Legendary Artifact Creature — Gnome // Legendary Artifact Creature — GnomeRUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Surge Conductor

  3

  Artifact Creature — RobotC

  Both cards trigger when a creature enters the battlefield — they fire together.
• Iceberg Cancrix

  1U

  Snow Creature — CrabU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Ultron, Artificial Malevolence

  3

  Legendary Artifact Creature — Robot VillainC

  Both cards trigger when a creature enters the battlefield — they fire together.
• Norn's Choirmaster

  3WW

  Creature — Phyrexian AngelW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Kodama of the East Tree

  4GG

  Legendary Creature — SpiritG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Altar of the Brood

  1

  ArtifactC

  Both cards trigger when a creature enters the battlefield — they fire together.
• Replication Specialist

  4U

  Creature — Moonfolk ArtificerU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Mirrorworks

  5

  ArtifactC

  Both cards trigger when a creature enters the battlefield — they fire together.
• Eye of Singularity

  3W

  World EnchantmentW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Reanimate

  B

  SorceryB

  Reanimate puts Firion, Wild Rose Warrior onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Firion, Wild Rose Warrior onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Firion, Wild Rose Warrior 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 Firion, Wild Rose Warrior onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Fire Lord Zuko

  RWB

  Legendary Creature — Human Noble AllyBRW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Prowl, Stoic Strategist // Prowl, Pursuit Vehicle

  3W

  Legendary Artifact Creature — Robot // Legendary Artifact — VehicleW

  Both cards trigger when a creature enters the battlefield — they fire together.
• April O'Neil, Live on the Scene

  1U

  Legendary Creature — Human DetectiveU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Elesh Norn, Mother of Machines

  4W

  Legendary Creature — Phyrexian PraetorW

  Elesh Norn, Mother of Machines makes Firion, Wild Rose Warrior's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Virtue of Knowledge // Vantress Visions

  4U1U

  Enchantment // Instant — AdventureU

  Virtue of Knowledge makes Firion, Wild Rose Warrior's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Amulet of Vigor

  1

  ArtifactC

  Both cards trigger when a creature enters the battlefield — they fire together.
• The Mighty Thor, Jane Foster

  1WU

  Legendary Creature — Human God HeroUW

  Both cards trigger when a creature enters the battlefield — they fire together.