The best replacement for corki is ezreal.

The best alternatives to corki are rated as following:
★★★★★  ezreal
★★★★  twitch
★★★  vayne
★★★  caitlyn
★★★  miss fortune
★★★  graves
★★  tristana
★★  ashe
★★  jinx
★★  lucian
★  sivir
★  draven
★  ez
★  varus
★  cait
  malzahar
  irelia
  gyrocopter
  urgot

Your alternative for corki is not listed? Suggest!
Speaking about corki, one probably shouldn't forget about trinity force.

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



Google Trends

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corki
ezreal
twitch