Stick (Wand) of Thunderwave

A wave of thunderous force sweeps out from you.
Each creature in a 15-foot cube originating from
you must make a Constitution saving throw. On a
failed save, a creature takes 2d8 thunder damage
and is pushed 10 feet away from you. On a
successful save, the creature takes half as much
damage and isn't pushed.
In addition, unsecured objects that are completely
within the area of effect are automatically pushed 10
feet away from you by the spell's effect, and the spell
emits a thunderous b