Case Study Villan Rewards
I started to keep track and make notes for fighting the villans since there are 3 ways to play the game that have some influence on the timing that randomizes the rewards given out, thus to my opinion you'll get better or more randomized results if you play the game in the three different ways.
From my opinion and looking at the data I'm convinced that the first two ways are better when you want to get the most amount of shards dropped and the most amount of tickets to fight against the champs, however there's no best way for everything because it depends on