40 cards where the set is “dsc” and the collector number >= 328 and the collector number <= 367

A Premonition of Your Demise (Duskmourn: House of Horror Commander #353)
Behold the Power of Destruction (Duskmourn: House of Horror Commander #328)
Chaos Is My Plaything (Duskmourn: House of Horror Commander #329)
Choose Your Champion (Duskmourn: House of Horror Commander #330)
Choose Your Demise (Duskmourn: House of Horror Commander #331)
Dark Wings Bring Your Downfall (Duskmourn: House of Horror Commander #332)
Fear My Authority (Duskmourn: House of Horror Commander #333)
I Am Duskmourn (Duskmourn: House of Horror Commander #334)
I Am Never Alone (Duskmourn: House of Horror Commander #335)
I Am Untouchable (Duskmourn: House of Horror Commander #336)
I Call for Slaughter (Duskmourn: House of Horror Commander #337)
I Will Savor Your Agony (Duskmourn: House of Horror Commander #338)
Kneel Before My Legions (Duskmourn: House of Horror Commander #339)
Mine Is the Only Truth (Duskmourn: House of Horror Commander #340)
My Champion Stands Supreme (Duskmourn: House of Horror Commander #341)
My Crushing Masterstroke (Duskmourn: House of Horror Commander #342)
My Followers Ascend (Duskmourn: House of Horror Commander #343)
My Laughter Echoes (Duskmourn: House of Horror Commander #344)
My Tendrils Run Deep (Duskmourn: House of Horror Commander #345)
My Wealth Will Bury You (Duskmourn: House of Horror Commander #346)
My Will Is Irresistible (Duskmourn: House of Horror Commander #347)
My Wings Enfold All (Duskmourn: House of Horror Commander #348)
No Secret Is Hidden from Me (Duskmourn: House of Horror Commander #349)
Only I Know What Awaits (Duskmourn: House of Horror Commander #350)
Plots That Span Centuries (Duskmourn: House of Horror Commander #351)
Power Without Equal (Duskmourn: House of Horror Commander #352)
Reality Is Mine to Control (Duskmourn: House of Horror Commander #354)
Rot Like the Scum You Are (Duskmourn: House of Horror Commander #355)
Running Is Useless (Duskmourn: House of Horror Commander #356)
Time Bends to My Will (Duskmourn: House of Horror Commander #357)
When Will You Learn? (Duskmourn: House of Horror Commander #358)
You Are Unworthy of Mercy (Duskmourn: House of Horror Commander #359)
You Cannot Hide from Me (Duskmourn: House of Horror Commander #360)
You Exist Only to Amuse (Duskmourn: House of Horror Commander #361)
You Live Only Because I Will It (Duskmourn: House of Horror Commander #362)
Your Mistake Is My Triumph (Duskmourn: House of Horror Commander #364)
Your Nightmares Are Delicious (Duskmourn: House of Horror Commander #365)
Your Own Face Mocks You (Duskmourn: House of Horror Commander #366)
Your Plans Mean Nothing (Duskmourn: House of Horror Commander #367)
You Will Know True Suffering (Duskmourn: House of Horror Commander #363)

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