There are a few that I really want but I don’t know when they are gooing to be on rate up, so I don’t waste my SQ trying to get from tye normal pool. Plus some are exculsive.
If you’re talking about NA then you just have to check the servant profile on gamepress. At the bottom of their page you can see the banners they’ll be in
Summoning Campaigns (2019/2021) - Fate/Grand Order Wiki This site is very useful for upcoming banners