By watching top battles you can do analysis about battles to learn and know which strategies work which not. Now game became more complex by new game modes, new reward cards etc. Some strategy works with one game mode but another one won't work in same game mode. Therfore you can watch top different battles to learn which cards to use, which team is better to fight against water, which death etc. You can also copy strategies and test them to get ready for the tournaments.
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