38 cards where the set is “nec” and (the collector number >= 39 and the collector number <= 76)

Aerial Surveyor (Neon Dynasty Commander #39)
Drumbellower (Neon Dynasty Commander #40)
Ironsoul Enforcer (Neon Dynasty Commander #41)
Myojin of Blooming Dawn (Neon Dynasty Commander #42)
Organic Extinction (Neon Dynasty Commander #43)
Release to Memory (Neon Dynasty Commander #44)
Swift Reconfiguration (Neon Dynasty Commander #45)
Yoshimaru, Ever Faithful (Neon Dynasty Commander #46)
Access Denied (Neon Dynasty Commander #47)
Cyberdrive Awakener (Neon Dynasty Commander #48)
Imposter Mech (Neon Dynasty Commander #49)
Kappa Cannoneer (Neon Dynasty Commander #50)
Katsumasa, the Animator (Neon Dynasty Commander #51)
Myojin of Cryptic Dreams (Neon Dynasty Commander #52)
Research Thief (Neon Dynasty Commander #53)
Universal Surveillance (Neon Dynasty Commander #54)
Myojin of Grim Betrayal (Neon Dynasty Commander #55)
Ruthless Technomancer (Neon Dynasty Commander #56)
Akki Battle Squad (Neon Dynasty Commander #57)
Collision of Realms (Neon Dynasty Commander #58)
Kami of Celebration (Neon Dynasty Commander #59)
Komainu Battle Armor (Neon Dynasty Commander #60)
Myojin of Roaring Blades (Neon Dynasty Commander #61)
Smoke Spirits' Aid (Neon Dynasty Commander #62)
Unquenchable Fury (Neon Dynasty Commander #63)
Ascendant Acolyte (Neon Dynasty Commander #64)
Concord with the Kami (Neon Dynasty Commander #65)
Go-Shintai of Life's Origin (Neon Dynasty Commander #66)
Kosei, Penitent Warlord (Neon Dynasty Commander #67)
Myojin of Towering Might (Neon Dynasty Commander #68)
One with the Kami (Neon Dynasty Commander #69)
Rampant Rejuvenator (Neon Dynasty Commander #70)
Silkguard (Neon Dynasty Commander #71)
Tanuki Transplanter (Neon Dynasty Commander #72)
Chishiro, the Shattered Blade (Neon Dynasty Commander #73)
Kaima, the Fractured Calm (Neon Dynasty Commander #74)
Kotori, Pilot Prodigy (Neon Dynasty Commander #75)
Shorikai, Genesis Engine (Neon Dynasty Commander #76)

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