How to counter Anivia
Let us take a look on how to beat Anivia. We will look at champions who are strong against Anivia and who are weak against Anivia. Use win rate, gold difference and creep score difference at minute 10 to find the best 
Top champion who counters Anivia. You can already win in champion select with the right counters for Anivia. If you want to know how to counter Anivia then you need to take into account the best picks vs Anivia and the worst picks vs Anivia. This Anivia counter data is based on matches played by Pros on patch 15.3 and previous ones. It is important to see whether Pros counter picked Anivia or whether they played as Anivia.
Champions used by Pros to counter pick Anivia
Looking at the matches from Pros (see table Pros counter picked Anivia) we can see that they picked 
Gnar most often to counter pick Anivia. The matchup Gnar vs Anivia occured 3 times. Anivia has 2 wins and 1 losses in this matchup. Learn how to counter pick Gnar to get another perspective on the data.
Lane outcome for Anivia
When looking at Anivia counters you will notice that win rates alone are not conclusional. Therefore we provide an overview (see table Lane Outcome) where you can see the lane outcome of Pros who played Anivia. The lane outcome of Anivia consists of three outcomes: Win, Loss or Draw. Let's take a look of Anivia lane and match outcome for specific matchups. Considering the lane outcome and the match outcome of a specific matchup, might enable you to find the right counter for Anivia.
Conclusion
Analyze the available data and learn how to beat Anivia. To master Anivia take also a look on Anivia builds and runes for Anivia. Good luck, Summoner!