For the love of all that is holy, can we FINALLY unlock all champions in ARAM?

Can we please get actual random champions instead of ARAM accounts sucking the fun out of this entire mode?

I don't give a flying F if you give me Darius or Tryndamere 5 times in a row, but playing against Sona every second game (and if it's not Sona it's Blitzcrank, Soraka or Teemo) just makes you want to stop playing this mode alltogether. (Before anyone comments "just stop playing ARAM then": No. I like the concept, I just don't like what some tryhards do to a fun mode. The same applied to URF as well)