Anivia Counter Tips
If you try to attack and go hard, try to lure her into missing her stun before you go all in on her.
Having a teamfight in a thin pathways in the jungle is not the best option for your team when having Anivia as an mid lane opponent since she has wall and AOE type ulty spell.
Stunning, silencing or knocking up Anivia while casting her ulty will cancel and interrupt it.
Anivia can deal really high amount of damage if she goes full AP, so try to focus her first if this is the case.