The Qiyana build for Mid is Duskblade of Draktharr and Electrocute. This LoL Qiyana guide for Mid at Platinum+ on 13.24 includes runes, items, skill order, and counters.
Qiyana Counters
49.8%
(-0.0%)
47.0%
(+0.4%)
2.8%
(+0.3%)
0.6%
(-0.1%)
812
(-18)