I agree, I was REALLY sick of mono red/BR aggro before rotation. Game was largely decided by turn 3 or 4.
I can't wait until the next set releases, though, because I almost always want to force Bant colors in my deck, and there's the least support for those colors right now with GRN's dual lands. Although the Selesnya cards I've started using are incredible. Knight of Autumn is incredibly versatile and allows me to stabilize against aggro decks while knocking out early Azcantas against control, and March of the Multitudes just wins games on its own, especially when you start stacking them with Convoke. It's always pretty hilarious how my opponents will bend over backwards to kill my Teferi, only to get run over by 19 1/1 lifelink soldier tokens two turns later.