31 cards where the color identity ≤ BRUW and it’s legal in Commander and the cards aren’t vanilla and the card types include “artifact” and the card types include “human”

Esper Sentinel (Modern Horizons 2 #12)
Ethersworn Canonist (Double Masters #14)
Master Transmuter (Double Masters #58)
Poppet Stitcher // Poppet Factory (Innistrad: Midnight Hunt #71)
Poppet Stitcher // Poppet Factory (Innistrad: Midnight Hunt #71)
Ironsoul Enforcer (Neon Dynasty Commander #7)
Breya's Apprentice (Modern Horizons 2 #117)
Breya, Etherium Shaper (Double Masters #192)
Reinforced Ronin (Kamigawa: Neon Dynasty #158)
Sicarian Infiltrator (Warhammer 40,000 Commander #25)
Sen Triplets (Double Masters #218)
Silas Renn, Seeker Adept (Commander 2016 #43)
Undercity Scrounger (Kamigawa: Neon Dynasty #126)
Mr. House, President and CEO (Fallout #7)
Covert Technician (Kamigawa: Neon Dynasty #49)
Belisarius Cawl (Warhammer 40,000 Commander #106)
Etherium Spinner (Modern Horizons 2 #40)
Cybernetica Datasmith (Warhammer 40,000 Commander #114)
Ethercaste Knight (Modern Masters 2015 #175)
Architects of Will (Archenemy #77)
Metallurgeon (Archenemy #2)
Skill Borrower (Shards of Alara #56)
Towashi Songshaper (Kamigawa: Neon Dynasty #167)
Scrapyard Steelbreaker (Kamigawa: Neon Dynasty #160)
Puppet Conjurer (Shards of Alara #82)
Salvage Slasher (Conflux #52)
Thoughtcutter Agent (Shards of Alara #201)
Windwright Mage (Shards of Alara #208)
Vectis Dominator (Alara Reborn #84)
Vectis Agents (Conflux #131)
Esper Battlemage (Shards of Alara #40)
Vectis Silencers (Shards of Alara #62)

The message was clear to Sorin—time to search for something else.