17 cards where the set is “dsk” and the collector number >= 351 and the collector number <= 367

Kaito, Bane of Nightmares (Duskmourn: House of Horror #354)
Kona, Rescue Beastie (Duskmourn: House of Horror #358)
Marina Vendrell (Duskmourn: House of Horror #360)
Marvin, Murderous Mimic (Duskmourn: House of Horror #367)
Nashi, Searcher in the Dark (Duskmourn: House of Horror #361)
Niko, Light of Hope (Duskmourn: House of Horror #355)
Rip, Spawn Hunter (Duskmourn: House of Horror #362)
The Jolly Balloon Man (Duskmourn: House of Horror #359)
The Mindskinner (Duskmourn: House of Horror #357)
The Swarmweaver (Duskmourn: House of Horror #363)
The Wandering Rescuer (Duskmourn: House of Horror #351)
Toby, Beastie Befriender (Duskmourn: House of Horror #356)
Tyvar, the Pummeler (Duskmourn: House of Horror #353)
Valgavoth, Terror Eater (Duskmourn: House of Horror #352)
Victor, Valgavoth's Seneschal (Duskmourn: House of Horror #364)
Winter, Misanthropic Guide (Duskmourn: House of Horror #365)
Zimone, All-Questioning (Duskmourn: House of Horror #366)

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