2021-22 NHL Upper Deck Extended Series Hockey Factory Sealed Blaster Box 48 Cards: 6 Packs of 8 Cards per Pack. Possible YOUNG GUNS. Rookie cards include Jeremy Swayman, Trevor Zegras, Tanner Jeannot, Jamie Drysdale, Cole Caufield, Spencer Knight and many others! Bonus 3 Cards of your favorite team if you message request before shipment is made! See scans for great content possible!