The Evelynn build for Jungle is Hextech Rocketbelt and Electrocute. This LoL Evelynn guide for Jungle at Platinum+ on 13.24 includes runes, items, skill order, and counters.
Evelynn Counters
52.6%
(-0.1%)
53.1%
(-2.2%)
4.8%
(+0.2%)
10.6%
(-2.5%)
814
(+37)