Final answer:
The question seems to be based on a misunderstanding, as Wagner and Lisa are not characters known to directly assist Faust in Goethe's version of the legend.
Step-by-step explanation:
The student's question pertains to what Wagner and Lisa do to try and help Faustus before God.
In the context of the German legend of Faust, based on a historical figure and popularized by Johann Wolfgang von Goethe, Wagner and Lisa do not appear as characters, and there is no direct mention of them trying to help Faustus before God.
Instead, in Goethe's drama, it is Faustus who, bored and disillusioned with his scholarly life, makes a pact with the devil's emissary, Mephistopheles, exchanging his soul for worldly pleasures and knowledge.
The passage provided mentions characters such as priests, seers, and musicians like Musaeus and Orpheus, who are said to possess the power to influence the gods, but they are not Wagner and Lisa.
Also, passages from other literary works are referenced such as Thecla and Paul, but these also do not directly relate to the actions of Wagner or Lisa in the context of Faustus' story.
If the student is referring to an adaptation or a particular version of the Faust legend, additional information would be needed to provide a more specific answer.