49 cards where the illustration contains “kaya-cassir”

Assemble the Team (Alchemy: The Brothers' War #17)
Bring the Ending (Phyrexia: All Will Be One #44)
Call a Surprise Witness (Murders at Karlov Manor #289)
Deadly Complication (Murders at Karlov Manor #312)
Demand Answers (Murders at Karlov Manor #122)
Demand Answers (Murders at Karlov Manor #306)
Dogged Pursuit (Kaldheim #85)
Ethereal Absolution (Ravnica Allegiance #170)
Fall of the Impostor (Kaldheim #208)
Fanatical Strength (Murders at Karlov Manor #159)
Fanatical Strength (Murders at Karlov Manor #310)
Frenemy of the Guildpact (Mystery Booster Playtest Cards 2019 #74)
Grateful Apparition (War of the Spark #17)
Kaya, Bane of the Dead (War of the Spark #231)
Kaya, Bane of the Dead (Secret Lair Drop #531)
Kaya, Bane of the Dead (War of the Spark #231★)
Kaya, Geist Hunter (Innistrad: Crimson Vow #240)
Kaya, Geist Hunter (Innistrad: Double Feature #507)
Kaya, Geist Hunter (Innistrad: Crimson Vow #280)
Kaya, Ghost Assassin (Conspiracy: Take the Crown #75)
Kaya, Ghost Assassin (Conspiracy: Take the Crown #222)
Kaya, Ghost Assassin (Secret Lair Drop #247)
Kaya, Ghost Haunter (Mystery Booster Playtest Cards 2019 #94)
Kaya, Intangible Slayer (Phyrexia: All Will Be One #205)
Kaya, Intangible Slayer (Phyrexia: All Will Be One #464)
Kaya, Orzhov Usurper (Ravnica Allegiance #186)
Kaya, Orzhov Usurper (Mythic Edition #RA8)
Kaya's Ghostform (War of the Spark #94)
Kaya's Guile (Modern Horizons #205)
Kaya's Onslaught (Kaldheim #18)
Kaya, Spirits' Justice (Murders at Karlov Manor #211)
Kaya, Spirits' Justice (Murders at Karlov Manor #335)
Kaya's Wrath (Ravnica Allegiance #187)
Kaya the Inexorable (Kaldheim #218)
Kaya the Inexorable (Kaldheim #288)
Kaya the Inexorable Emblem (Kaldheim Tokens #20)
Makeshift Binding (Murders at Karlov Manor #23)
Oath of Kaya (War of the Spark #209)
On the Job (Murders at Karlov Manor #30)
On the Job (Murders at Karlov Manor #292)
Path of the Ghosthunter (March of the Machine Commander #18)
Regicide (Conspiracy: Take the Crown #45)
Revival // Revenge (Ravnica Allegiance #228)
Savor the Moment (Secret Lair Drop #1006)
Spectral Grasp (Conspiracy: Take the Crown #24)
The Chase Is On (Murders at Karlov Manor #116)
The Chase Is On (Murders at Karlov Manor #304)
Thraben Exorcism (Innistrad: Midnight Hunt #39)
Thraben Exorcism (Innistrad: Double Feature #39)

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