High amounts of damage across the board.
Damage dealing tops that can split for eternity are in.
True blue tanks (I.E. Nautilus, Zac, Amumu, Malphite) pale in usefulness to "tanks" packing damage.
The game's centered around bursting rather than elongated fights.
Guys. This is just fucking Season 4. We've circled back to when the best way to win was to blow up whoever in the blink of an eye.