Hi guys i finallly decided to get out from elo hell, but in the same time something maked me to write this build Anivia is my favorite champ maybe you'll like my build maybe not.
Enjoy.

For Anivia i use two rune pages.
Why?
Because i figured out two things on elo hell, when your direct enemy is kassadin/leblanc or anyone which can easy gank others lane can get an easy advantage in your face so in that case i decided to go on full Magic Resist runes which gives me alot of protection even if my direct enemy got a low fed.The second think is that full Ability Power runes can give u a blowing advantage against your enemy (useles against galio/morgana/Magic Resist runes configuration.
So basicaly:
1.Full magic resist
2.Full ability power
This may sound like a noob choice but for me they are the best.

Let's see, for masteries i use 21/9/0 as the configuration says i do like to use 9 points in defence for Magic resist and Heath Regen/Health.I tried whit 9 points on utility for Mana Regen and movement speed, but i like to be more tanky.

For items i ussualy like to go for defensive builds because of the enemy team are always kinda focusing me so i take the build recomended up there.

Pretty basic i always take flash for excape posibilities and ignite for the reduce heal/dmg.

I'm still not having 1000 wins but my win ratio whit this build is 81.9%

The farm on anivia is pretty basic use autoatacks on minions whit low hp to get the last hit if u have problems on last hitting aask your jungler for the blue buff and farm whit the spells.

Thx for reading my first build for a champion on this site and i hope u liked it.
I em waiting for opinions in changing the build in the comments.
I hope u enjoyed.