Connect mini acc to main, and 20 win challenge

How can I connect a mini acc to my main account, also will there be another 20 win challenge? So many people I know want another one

You can request changes to your profile with this form:

In it you can submit more accounts.

Regarding the 20W challenge, that’s not something that we can decide, Supercell does. The best way to let them know that you’d want to have another one is posting about it on Twitter or Reddit.