why vayne who is autoatack champion gets buff and its overpowered and rengar got nerfs whoneedscombo

rengar from the start of hes release was a skilled champion and riot nerf him i want old rengar back why you buff zed? ofcorse ll stylish and zed main are happy theyre main champion is not destroyed or nerfed revert all the nerfs and bring back old rengar before the assasin update new one is so dumb uselles i am getting feed the most games and i still cant carry games or one shot enemys fast this is so stupid even if i use all my combo to them hes atack speed also is destroyed old rengar got 2.50 and too much ctirical strike and also got a good amount of armor and mr at the same time new w only save you early game and mid game late game you can escape the burst damage i always being dead while my w is on cd and heals nothing why everyfuking time riot is destroying my favorite main champions? and people says why i flame because i am a kid who is noob and cant play the game as it is well is not my fault if i get feed with rengar and i still cant do shit one shot someone who buy ninja tabi because the combo is nerfed the q is nerfed and my ulti is uselles and i can be easy countered even if i start with score 7 0 or going 14 5 still losing late game and cant win early game.thats why nb3 left rengar as i can see hes so uselles right now. miss the old rengar. and old quinn and fiora and kata too. theyre 4 main champions who got destroyed for me and i stoped playing them because theyre uselles right now.