Yellow rush kills you so fast that only top tier decks can win against it. It really hurts variety in ranked mode, since you have to play the few top tier decks to not lose against yellow rush all the time.
I’ve made a lot of original decks and only two of them win against yellow rush. One of those was specifically made to counter rush and it still only wins half the time.
So many decks are unplayable just because they always lose against yellow rush. I won 7 out of 9 matches against other decks with the most recent deck I made, then lost all 3 matches against yellow rush with it. Many of my other decks similarly win a decent amount of time against other decks, but always lose to yellow rush.
Since so many people play yellow rush in ranked, I can’t use any of my own decks there unless I want to lose all the time. So basically, I need to play the same few boring netdecks there all the time. It’s no wonder there’s so little deck variety in ranked, since yellow rush makes so many decks unviable.
So because of that, I’ve mostly been playing unranked. Unfortunately, unranked is flawed too. It consists mostly of newbies that I win against too easily. Some people also play yellow rush there, which causes me to lose the same way I would in ranked. It’s very hard to have any close matches when I play my own decks, since unranked is too easy and ranked is too hard because of all the rush decks.