20 cards where the cards have the cards have the Lesson frame effect

Academic Probation (Strixhaven: School of Mages #7)
Basic Conjuration (Strixhaven: School of Mages #120)
Confront the Past (Strixhaven: School of Mages #67)
Containment Breach (Strixhaven: School of Mages #125)
Elemental Summoning (Strixhaven: School of Mages #183)
Environmental Sciences (Strixhaven: School of Mages #1)
Expanded Anatomy (Strixhaven: School of Mages #2)
Fractal Summoning (Strixhaven: School of Mages #187)
Illuminate History (Strixhaven: School of Mages #108)
Inkling Summoning (Strixhaven: School of Mages #195)
Introduction to Annihilation (Strixhaven: School of Mages #3)
Introduction to Prophecy (Strixhaven: School of Mages #4)
Mascot Exhibition (Strixhaven: School of Mages #5)
Mercurial Transformation (Strixhaven: School of Mages #47)
Necrotic Fumes (Strixhaven: School of Mages #78)
Pest Summoning (Strixhaven: School of Mages #211)
Reduce to Memory (Strixhaven: School of Mages #25)
Spirit Summoning (Strixhaven: School of Mages #236)
Start from Scratch (Strixhaven: School of Mages #114)
Teachings of the Archaics (Strixhaven: School of Mages #57)

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