The Ryze build for Mid is Rod of Ages and Phase Rush. This LoL Ryze guide for Mid at Platinum+ on 13.18 includes runes, items, skill order, and counters.
50.6%
(+0.3%)
45.4%
(+0.2%)
1.7%
(-0.1%)
0.2%
(-0.0%)
806
(+5)