Nerfing Sejuani Damage because that's clearly the problem, Not ADC.
https://cdn.discordapp.com/attachments/275310054922780673/367974632789245962/bW2qRFF9tg0GjEiB8XYgIW4a3NzerWOqiJXCbtqGSLhth5DNMpwvUDH0URlBOAu2sqiS5RFggAAAABJRU5ErkJggg.png
Seriously?
The problem with Sejuani is her Tankyness and especially her passive during teamfight.
Update:
Thx Riot for listening to me, Sejuani got her passive nerfed in PBE.