40 cards where the set is “mkc” and the collector number >= 9 and the collector number <= 48

Armed with Proof (Murders at Karlov Manor Commander #9)
Immortal Obligation (Murders at Karlov Manor Commander #10)
Merchant of Truth (Murders at Karlov Manor Commander #11)
Otherworldly Escort (Murders at Karlov Manor Commander #12)
Redemption Arc (Murders at Karlov Manor Commander #13)
Serene Sleuth (Murders at Karlov Manor Commander #14)
Trouble in Pairs (Murders at Karlov Manor Commander #15)
True Identity (Murders at Karlov Manor Commander #16)
Unexplained Absence (Murders at Karlov Manor Commander #17)
Veiled Ascension (Murders at Karlov Manor Commander #18)
Case of the Shifting Visage (Murders at Karlov Manor Commander #19)
Copy Catchers (Murders at Karlov Manor Commander #20)
Detective of the Month (Murders at Karlov Manor Commander #21)
Final-Word Phantom (Murders at Karlov Manor Commander #22)
Follow the Bodies (Murders at Karlov Manor Commander #23)
Tangletrove Kelp (Murders at Karlov Manor Commander #24)
Watcher of Hours (Murders at Karlov Manor Commander #25)
Charnel Serenade (Murders at Karlov Manor Commander #26)
Eye of Duskmantle (Murders at Karlov Manor Commander #27)
Foreboding Steamboat (Murders at Karlov Manor Commander #28)
Unshakable Tail (Murders at Karlov Manor Commander #29)
Boltbender (Murders at Karlov Manor Commander #30)
Havoc Eater (Murders at Karlov Manor Commander #31)
Hot Pursuit (Murders at Karlov Manor Commander #32)
Mob Verdict (Murders at Karlov Manor Commander #33)
Prisoner's Dilemma (Murders at Karlov Manor Commander #34)
Showstopping Surprise (Murders at Karlov Manor Commander #35)
Tesak, Judith's Hellhound (Murders at Karlov Manor Commander #36)
Experiment Twelve (Murders at Karlov Manor Commander #37)
Innocuous Researcher (Murders at Karlov Manor Commander #38)
On the Trail (Murders at Karlov Manor Commander #39)
Printlifter Ooze (Murders at Karlov Manor Commander #40)
Counterpoint (Murders at Karlov Manor Commander #41)
Knowledge Is Power (Murders at Karlov Manor Commander #42)
Take the Bait (Murders at Karlov Manor Commander #43)
Panoptic Projektor (Murders at Karlov Manor Commander #44)
Ransom Note (Murders at Karlov Manor Commander #45)
Ransom Note (Murders at Karlov Manor Commander #46)
Ransom Note (Murders at Karlov Manor Commander #47)
Ransom Note (Murders at Karlov Manor Commander #48)

The arc of my blade has carved a path of light to the end of these results.