Toth and Ra are the names of Egyptian gods with bird faces (Toth an ibis and Ra a falcon respectively), which fits with the Disney ducks.
Dewey and the "mummies" briefly dance in a way reminiscent of Michael Jackson's Michael Jackson: Thriller (1983) video.
Huey is incorrect when he says mummification was reserved for royalty. Actually, the Egyptians mummified people from all walks of life. Of course, the pharaohs were buried more elaborately.
In the opening scene, on the left wall, is a triforce from The Legend of Zelda.
Scrooge calls the Bandaged Pharaoh Monster as it comes to life a "Bandaged Bampot", which is Scottish slang meaning "A foolish and objectionable person". He said something similar to a Mummy in the episode "Sphinx for Memories" in the Original DuckTales (1987) where he called it a "Bandaged Brute".