So 
is my fav champ by far. Idk there's just something about her that I LOOOOOOVE. Soo, who has the best build for her? I usually go 
, 
, 
, 
, 
and finally 
. Any tips, or comments? Who has the best build for her. And what runes should I buy?
Forgive me for being rude, but your build is really inefficient. You have the right idea, but it's too attack speed focused. ADCs generally benefit from more AD than AS.
This probably won't feel right to you at first, but go with. 
OR . Don't bother with Hurricane, it doesn't benefit Sivir as much as you'd think.
Runaans is bad on Sivir. Replace it with a and your about good to go.
to much attack speed.
Sivir has one of the highest non ult Q damage abilities in game. Take advantage of that and in this tank meta you have no arpen.
if a awful item and only works with a select few. Sivir isnt one of them and she already has aoe
Builds should be dynamic, though there's nothing wrong with having a core.
Don't be afraid to use a 
if you're against a cinderhulk champ or a tanky team comp.
+ ? Not cost efficient.
