As a little bit of extra detail, looks like they updated the 5004 Tomb of Spells box a few times:
linkHowever, those pics show a version with only the upper body. Meanwhile, your version's lamp and smoke look like they come from the early
105 blister. Maybe they created a new variant from those at some point?
But they also released a Tomb of Spells box in the
"Wizzards and Warriors" line as WW08. You can see that the box there has a different title, and your Djinn version is shown. The early history of those lines, boxes and sculpts looks tricky indeed.