[quote=@Prince of Seraphs]
What do you guys think would be the logical combination of Oswald and Sapphire's semblances?
[/quote]

If you had to combine the two, it'd probably be something like moving really quickly, kind of like Ruby or Jack Orpheus. Rapid movement, but controllable for evasiveness. 

Shit, I don't know, I'm a tank, not a worldbuilder.