A prayer often said in Orthodox and Catholic traditions is the simple St. Selaphiel Prayer for Intercession:
O Pure and Holy Archangel St. Selaphiel, thou dost bow before the Almighty Lord offering angelic salutations of praise and thanksgiving. Guide us in our prayer. Like thee, we would like to unceasingly pray and worship God in the right way. May our lives be like incense pleasing to God. While awaiting for the inevitable time of separation from this material world, may we praise the Holy Trinity in the spirit of true love and humility throughout the days of our lives in eternity. Obtain for us these favors (name them) and present to God the Father all these petitions through Jesus Christ our Lord, together with the Holy Spirit, forever and ever. Amen.