Thinking of getting good at mid for first time? Read this thread.
Want a competent lane bully (That for some reason was not reworked but Cassiopeia was because her lane bullying was "oppressive") that also scales into mid-game and even better into lategame? 
Are you the type of person that likes to sit back in farm but you don't want to play Susan? Take
and stack AP quickly while also being rewarded for doing well in lane thanks to the blessing of great ratios.
Want to offer great utility in teamfights while also giving some great poke and having a really safe laning phase?
is your girl!
Want to have some of the absolute longest poke in the game (Which also in turn means being really safe and lane bullyish)?
or
for you.
Want to be pissed off to the point where you'll most likely be headbutting your computer monitor? Pick up Assiopeia
.