Arknights | PR-B-2 Trust Farm 3 Ops (Passenger, SilverAsh, Thorns) 

Passenger is the only M3 here but I don't think he needs M3 for this to work.
Skills/Levels:
Passenger Lv90 S3M3 Pot6
SilverAsh Lv70 S3M2 Pot2
Thorns Lv50 S3M2 Pot1
I really like Passenger.