Game is unfair

So I saved up stones for like 5 months just for the 2 year anniversary. I did the summons and got like 5 ssrs I was glad because I got ssj4 vegeta after that though I havent gotten a single ssr. Its all been sr and r while everybody else gets super gogeta and ssj4 goku

Bakc1257 about DRAGON BALL Z DOKKAN BATTLE, v3.1.2