This is an idea that came to my mind today, I think it can be interesting, here's the list :
4/4 Roserade UL
4 Celebi Prime
2/2 Mewtwo Lv.X
2-1 Uxie Lv.X
19
3 Pokémon Collector
3 Bebe's Search
3 Underground Expedition
3 Interviewer's Questions
2 Professor Oak's New Theory
2...