15 cards where the set is “stx” and the cards are Story Spotlights

Defend the Campus (Strixhaven: School of Mages #12)
Mentor's Guidance (Strixhaven: School of Mages #46)
Tempted by the Oriq (Strixhaven: School of Mages #58)
Mage Hunters' Onslaught (Strixhaven: School of Mages #77)
Plumb the Forbidden (Strixhaven: School of Mages #81)
Professor's Warning (Strixhaven: School of Mages #84)
Crackle with Power (Strixhaven: School of Mages #95)
Draconic Intervention (Strixhaven: School of Mages #96)
Explosive Welcome (Strixhaven: School of Mages #100)
Mascot Interception (Strixhaven: School of Mages #110)
Extus, Oriq Overlord // Awaken the Blood Avatar (Strixhaven: School of Mages #149)
Extus, Oriq Overlord // Awaken the Blood Avatar (Strixhaven: School of Mages #149)
Culmination of Studies (Strixhaven: School of Mages #173)
Practical Research (Strixhaven: School of Mages #212)
Rise of Extus (Strixhaven: School of Mages #226)
Letter of Acceptance (Strixhaven: School of Mages #256)

In the blink of an eye, they strode from deep snow to the end of this search.