Request for a dream oracle, to a lamp

This ritual, transcribed from one of the Greek Magical Papyri, asks the angels to answer a query in your next dream

Procedure

 * 1) In front of an oil lamp, chant "Be well, 0 lamp, who light the way to Harsentephtha and to Harsentechtha, and to the great father Osiris-Michael. (Ask your question). If the petition I have made is appropriate, show to me water and a grove. If otherwise, show me water and a stone"