Anubis is, and was, the Egyptian pantheon's guide for the newly dead and embalmers. He is easy to contact, even burning incense in front of His statue or picture seems to work to attract his attention.
If it helps the people you are consoling who are facing death you are welcome to show them my series of articles about visting my Dad in the Afterlife
if you feel it would help.
Will do a ritual tonight at the Lunar eclipse to ask Anubis to help return your dog in good health