The Vex build for Mid is Luden's Tempest and Electrocute. This LoL Vex guide for Mid at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Enemy Champion
Win Rate
Anivia
500 games
Xerath
970 games
Twisted Fate
936 games
Orianna
3,372 games
Viktor
1,007 games
Vel'Koz
335 games
Vladimir
852 games
Syndra
2,862 games
Diana
456 games
Ziggs
536 games
Lux
1,217 games
Neeko
668 games
Malzahar
930 games
Cassiopeia
472 games
Zed
1,952 games
Zoe
599 games
Yasuo
2,508 games
Akshan
611 games
Lissandra
815 games
Irelia
990 games
Taliyah
415 games
Veigar
1,081 games
Jayce
943 games
Ekko
Ryze
483 games
Akali
3,118 games
Tristana
413 games
Yone
3,229 games
Swain
286 games
Fizz
1,299 games
Ahri
2,110 games
Talon
1,028 games
Sylas
3,282 games
Kassadin
706 games
LeBlanc
1,336 games
Azir
1,428 games
Naafiri
637 games
Qiyana
504 games
Pantheon
393 games
Katarina
1,895 games
Galio
304 games
Annie
287 games
Aurelion Sol
612 games