The Sivir build for ADC is Navori Quickblades and Lethal Tempo. This LoL Sivir guide for ADC at Platinum+ on 13.18 includes runes, items, skill order, and counters.
51.7%
(-0.1%)
52.9%
(0.0%)
7.3%
(-0.2%)
3.3%
(+0.4%)
752
(+7)