User blog comment:AkiraBR/Silva Yes or Not ?/@comment-26946173-20180327081830

Yes - you will need Silva for VC affiliation teams, there is no "my team" in CC (like you mention it) -

Gajijina (Version 3) - meant to used on Beastoria affiliation teams - "Boost all Beastorian allies' attack power (15%) and defense power (5%) for a limited time (50s) at the start of each wave".

Oletta (Version 3) - meant to used on Soul Island affiliation teams - "Boost all Soul Island allies' attack power (20%) and defense power (10%) rise when on the battlefield".

you need to check the units abilltys and build the best team around them.