Team setup help?

Try guard on soleil to deny special procts. C skill, use whatever, honestly.

Missiletainn isn't a blade tome? What's going on here

If you're using that build on Azama with a dancer I'd be looking to vantage-kill everybody. DC Soleil +atk is great, +atk Fae using lightning breath+atk and brazen atk/def can help, other options available.