The Galio build for Mid is Everfrost and Aftershock. This LoL Galio guide for Mid at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Galio Counters
51.6%
(-0.2%)
40.0%
(-0.6%)
1.2%
(-0.0%)
0.2%
680
(-1)
