The best replacement for sivir is ashe.

The best alternatives to sivir are rated as following:
★★★★★  ashe
★★★★  vayne
★★★★  jinx
★★★  caitlyn
★★★  lucian
★★★  ezreal
★★★  tristana
★★  varus
★★  cait
★★  corki
★★  graves
★★  quinn
★  miss fortune
★  ez
★  anivia
  draven
  master yi
  urgot
  ashe league of legends

Your alternative for sivir is not listed? Suggest!
Speaking about sivir, one probably shouldn't forget about tiamat.

Other search terms related to sivir and their ratings are:
★★★★★ tiamat
You have in mind a companion for sivir and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sivir in all years. Click on graph for more.
sivir
ashe
vayne