Themes: Responsibility of power, friendship, overcoming fears, the consequences of wish-fulfillment.
Considering the "video" part, perhaps the story is presented as a video, so maybe Emiliano uploads his adventures online, or the magic is revealed in a video he stumbles upon. Maybe he finds an old video that shows how to use the wand, or his adventures are captured on video for others to see. emiliano la varita magica video
Let me start drafting the story outline with these elements in mind. Themes: Responsibility of power