10 cards where the set is “dmu” and the card was in “booster” and the cards are Story Spotlights

Ertai's Scorn (Dominaria United #48)
Extinguish the Light (Dominaria United #94)
Heroic Charge (Dominaria United #20)
Lightning Strike (Dominaria United #137)
Protect the Negotiators (Dominaria United #62)
Sheoldred's Restoration (Dominaria United #108)
Silver Scrutiny (Dominaria United #65)
Temporal Firestorm (Dominaria United #147)
Temporary Lockdown (Dominaria United #36)
Twinferno (Dominaria United #149)

This search is finished. Now the real work can begin.