Guide to enjoying post-rework Sona
Start with 
and an imaginary http://i1239.photobucket.com/albums/ff517/ryik7/mana%20potion_zpslehukg9p.png
During laning phase always aim to hit both opponents with your Q. This is the troo secrit to pro Soner playsss.
Then get these: 




If the game miraculously manages to reach the 40 minute mark, take one of these: 

or whatever, you probably won't even finish it.
Alternate options: 





See, I was making the mistake of building Sona wrong. 150% mana regeneration just isn't enough for her. My eyes are open now. I feel so silly for not realizing maximum cdr and ~60 mp5 is what Sona needs to make her rework less awful.
So before you Sonar weiners complin abut how she's complet trash, how she has the most inefficient cost to heal ratio, how she has the least cc of just about all supports and how she has some of the lowest base stats in the game, a kit that demands extreme proximity to danger and how you need to cross your fingers and hope nothing focuses you, rememnber thit yu could alwis just bild MORE mananas.
windspeakrs synergizes really well with these items, though your damage will be pretty nonexistent.