Eh, I dropped her for Priscilla. If I was an evil tactician, I'd be giving Serra the same speech Nergal gives Sonia if you don't get Night of Farewells. 'Serra, you're a failed work. You're no match for Priscilla and Lucius in any way.'

Matthew and Oswin is a cool support. :D
I might try it! Oswin needs SOMEONE to support with...