Pretty sure you should try to fit Valentina Ld in there if you have her...
In SOA heavy weeks:
Coby > Flinch
Harvey > Havok/Palmer
Otherwise, seems meta for mono Sentinel
Sentinel can be dangerous but are hurt badly by both soa and sob.
I used them a bit last week and this week and suggest a 5* thrown in your deck somewhere as Spikey 13 mentioned. With Oshitsune being banned this week Sammy can also be an option. Thomy can be a helpful addition as well.