Thomas Greiss is my pick. Sign him to a three year deal around $1 million. Gives Mason a chance to be the starter and earn another contract. Gives the Flyers a good, young backup for the next few seasons. If Mason can't hang this year, look for a new starter in the offseason.
Either that or go after a legit starter and put Mason on the back-burner.
Emory is my favourite choice. I don't want Luongo or Thomas! Both are head cases, and Luongo's contract is almost as bad as Bryzgalov's.
Luongo's contract won't be an issue if he gets bought out. And all goalies are head cases. I like Emery too and he's settled down a lot but let's not forget that he had to go to the KHL for a "time out".