My level 20-21 unboosted teams are pushing the limit. Don’t think that because your opponent has creatures 3 and 4 levels above yours means your going to lose.
This is my team with the ones selected for me to use to battle circled. The yellow 3 are the ones I actually used in battle:
This was my opponents team and the ones he had selected for play and used 3 in battle…tried to switch but could not:
I started with Indo Rex G2, then Erlidominus and didn’t use the cloak on the first move as I could take their indo out with the regular 2X attack. I finished with purrolyth who kept Ankly from swapping. So, yea, you can beat stronger opponents… some times.