How to actually get a 4 star champion.

I’ve been at this for a few weeks and the game never gives me a 4 star champion BUT it gives me everything for a 4 star. It’s very frustating. Your game war of heroes was much more fair about give good cards. What can I do to get 1 4 star champion? I’m ready to delete this game but I want to at least see what I can do first.
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Comments
- Build up your 3* roster as it sounds like you're still pretty new. 3*'s are still valuable at that stage.
- Join an alliance to get decent rewards
- Grind the arena. You're in the beginner bracket so the cutoff scores are low. You'll get some good 3*/4* champs through the arena.
- Don't expect 4* champs to come from Premium Crystals. You'll be disappointed just about every time.
They'll come but work has to be put in