16 cards where the card types include “enchantment” and the text includes “investigate”

Armed with Proof (Murders at Karlov Manor Commander #9)
Blink (Doctor Who #116)
Case of the Filched Falcon (Murders at Karlov Manor #44)
Chalk Outline (Murders at Karlov Manor #157)
Curious Inquiry (Murders at Karlov Manor #51)
Fleeting Memories (Shadows over Innistrad #62)
Fugitive of the Judoon (Doctor Who #103)
Heaven Sent (Doctor Who #134)
Hold for Questioning (Jumpstart 2022 #11)
Ongoing Investigation (Murders at Karlov Manor Commander #114)
Search the Premises (Murders at Karlov Manor Commander #81)
Tamiyo Meets the Story Circle (Modern Horizons 3 #72)
Thorough Investigation (Forgotten Realms Commander #12)
Trail of Evidence (Shadows over Innistrad #93)
Ulvenwald Mysteries (Murders at Karlov Manor Commander #193)
Weirding Wood (March of the Machine Commander #315)

Though this query has ended, its relics still slumber in New Argive.