"His mother was a strange, fey woman"
The first thing that came to my mind when i read that phrase was that whatever this "script" is, it must be a pretty awesome piece of work.
No.
if the sentence was the other way around, you would need a comma. ie: Because she studied really hard, Shauna got an A in her chemistry test.
Usually conjunctions are not a good way to start a sentence; such as 'and' and 'but'...
