The Corki build for Mid is Trinity Force and First Strike. This LoL Corki guide for Mid at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Enemy Champion
Win Rate
Irelia
181 games
Xerath
189 games
Brand
55 games
Tristana
117 games
Vel'Koz
64 games
Akshan
102 games
Diana
92 games
Zed
261 games
Yone
442 games
Akali
434 games
Yasuo
364 games
LeBlanc
193 games
Fizz
251 games
Orianna
782 games
Twisted Fate
221 games
Ziggs
107 games
Jayce
208 games
Talon
111 games
Syndra
608 games
Zoe
124 games
Kassadin
154 games
Cassiopeia
81 games
Vex
174 games
Ekko
133 games
Viktor
222 games
Sylas
520 games
Annie
63 games
Lux
267 games
Anivia
137 games
Neeko
140 games
Naafiri
Vladimir
194 games
Lissandra
150 games
Ahri
422 games
Taliyah
94 games
Veigar
246 games
Pantheon
79 games
Katarina
Qiyana
Azir
352 games
Malzahar
271 games
Ryze
80 games
Swain
Aurelion Sol
141 games