The first thing that made me less interested was when they decided to not let you level up your cards through playing. But it was still OK because at least you could level up with Daily Quests and Season Rewards since they were Betas. Now I'm stuck with Level 4/5 summoners, no desire to sink more money into the game, and no clear path forward for improvement. I'm hoping they've got something up their sleeve, but I'm starting to lose hope.