You'll need at least five players, but I'd recommend maybe 6-8 ish. You can have up to 18 players. Message ChrisCMU if interested.
https://www.warlight.net/Profile?p=999878954Once the next season starts, there will be a list of templates each clan will compete in. You will use those 5-18 players to compete. Each player can compete in up to four different templates.