The Varus build for ADC is Guinsoo's Rageblade and Lethal Tempo. This LoL Varus guide for ADC at Platinum+ on 13.19 includes runes, items, skill order, and counters.
49.5%
(-0.2%)
53.8%
(-0.5%)
3.5%
(-0.1%)
0.3%
(-0.0%)
737
(-6)