16 cards where the name is exactly “utter end” and the Oracle ID is “cba94732-1f1f-4ffd-9aba-45db990043fa”

Utter End (Duskmourn: House of Horror Commander #91)
Utter End (The Lost Caverns of Ixalan Commander #292)
Utter End (March of the Machine Commander #341)
Utter End (Warhammer 40,000 Commander #226★)
Utter End (Warhammer 40,000 Commander #226)
Utter End (New Capenna Commander #356)
Utter End (Forgotten Realms Commander #195)
Utter End (Commander 2021 #232)
Utter End (The List #KTK-210)
Utter End (Commander 2018 #193)
Utter End (Commander 2016 #226)
Utter End (Magic Online Promos #54563)
Utter End (Khans of Tarkir Promos #210s)
Utter End (Khans of Tarkir Promos #210p)
Utter End (Khans of Tarkir Promos #210)
Utter End (Khans of Tarkir #210)

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