29 cards where the card is tagged “perpetual-aura” and the card is the first printing

Angelic Destiny (Magic 2012 #3)
Aspect of Mongoose (Time Spiral #191)
Brilliant Halo (Urza's Saga #5)
Cessation (Urza's Legacy #4)
Despondency (Urza's Saga #129)
Draconic Destiny (The Brothers' War #130)
Endless Evil (Commander Legends: Battle for Baldur's Gate #665)
Fallen Ideal (Time Spiral #109)
Fiery Mantle (Urza's Saga #186)
Fool's Demise (Time Spiral #64)
Fortitude (Urza's Saga #253)
Genju of the Cedars (Betrayers of Kamigawa #126)
Genju of the Falls (Betrayers of Kamigawa #35)
Genju of the Fens (Betrayers of Kamigawa #66)
Genju of the Fields (Betrayers of Kamigawa #5)
Genju of the Realm (Betrayers of Kamigawa #151)
Genju of the Spires (Betrayers of Kamigawa #105)
Giant Inheritance (Wilds of Eldraine Commander #17)
Glistening Oil (New Phyrexia #62)
Launch (Urza's Saga #82)
Nurgle's Rot (Warhammer 40,000 Commander #45)
Rancor (Urza's Legacy #110)
Sleeper's Guile (Urza's Legacy #67)
Slow Motion (Urza's Legacy #42)
Sluggishness (Urza's Legacy #92)
Spirit Loop (Time Spiral #42)
Spreading Algae (Urza's Saga #274)
Undying Rage (Time Spiral #184)
Unquenchable Fury (Neon Dynasty Commander #23)

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