54 cards where the illustration contains “magnifying-glass”

Animate Library (Unstable #26)
Argivian Restoration (Weatherlight #34)
Artificer's Epiphany (Magic Origins #45)
Bruvac the Grandiloquent (Jumpstart #10)
Careful Study (Odyssey #70)
Cold Case Cracker (Murders at Karlov Manor #46)
Component Collector (Innistrad: Midnight Hunt #43)
Corpse Cobble (Innistrad: Midnight Hunt #214)
Defective Detective (Unstable #32)
Detective (Murders at Karlov Manor Tokens #10)
Digsite Conservator (The Lost Caverns of Ixalan #252)
Diligent Excavator (Dominaria #51)
Guild Artisan (Commander Legends: Battle for Baldur's Gate #505)
Hotshot Investigators (Murders at Karlov Manor #60)
Incite Insight (Unstable #36)
Ingenious Artillerist (Commander Legends: Battle for Baldur's Gate #182)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Crimson Vow #65)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Crimson Vow #65)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Double Feature #332)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Double Feature #332)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Crimson Vow #320)
Jacob Hauken, Inspector // Hauken's Insight (Innistrad: Crimson Vow #320)
Jaded Analyst (Murders at Karlov Manor #62)
Jodah's Codex (Dominaria United #233)
Kellan, Inquisitive Prodigy // Tail the Suspect (Murders at Karlov Manor #334)
Knowledge Is Power (Murders at Karlov Manor Commander #42)
Lavinia, Foil to Conspiracy (Ravnica: Clue Edition #36)
Loran of the Third Path (The Brothers' War #12)
Loxodon Eavesdropper (Murders at Karlov Manor #168)
Magnifying Glass (Murders at Karlov Manor #255)
Magnifying Glass (Shadows over Innistrad #258)
Magnifying Glass (Jumpstart 2022 #95)
Mayor of Avabruck // Howlpack Alpha (Innistrad Promos #193★)
Mayor of Avabruck // Howlpack Alpha (Innistrad Promos #193★)
Meddling Youths (Murders at Karlov Manor #367)
Micromancer (Dominaria United #57)
Nimblewright Schematic (Commander Legends: Battle for Baldur's Gate #330)
Open the Graves (Core Set 2019 #112)
Plagiarize (Ninth Edition #89)
Private Eye (Murders at Karlov Manor #223)
Ransom Note (Murders at Karlov Manor Commander #46)
Redemption Arc (Murders at Karlov Manor Commander #13)
Renowned Weaponsmith (Fate Reforged #48)
Rubblebelt Maverick (Murders at Karlov Manor #174)
Scrivener (Odyssey #100)
Sharp-Eyed Rookie (Murders at Karlov Manor #176)
Spider (Murders at Karlov Manor Tokens #11)
Sudden Setback (Murders at Karlov Manor #72)
The Thirteenth Doctor (Doctor Who #448)
Thopter (Murders at Karlov Manor Tokens #20)
Thought-String Analyst (Alchemy: Murders at Karlov Manor #29)
Tribute Mage (Modern Horizons #73)
Urza's Blueprints (Urza's Legacy #137)
Urza's Tome (Dominaria #235)
Wall of Distortion (Mercadian Masques #171)
Whispergear Sneak (Conspiracy #64)
Wojek Investigator (Murders at Karlov Manor #36)
Wojek Investigator (Murders at Karlov Manor #340)

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