The Varus build for ADC is Guinsoo's Rageblade and Lethal Tempo. This LoL Varus guide for ADC at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Varus Counters
Varuswinslane against...
Win Rate
Matchup Rate
Vayne
8803 games
5.4%
Aphelios
5617 games
3.4%
Jinx
11914 games
7.3%
Ashe
8415 games
5.1%
Kai'Sa
18772 games
11.5%
Zeri
1874 games
1.1%
Xayah
8507 games
5.2%
Sivir
3296 games
2.0%
Kog'Maw
1046 games
0.6%
Twitch
3854 games
2.4%
Caitlyn
15750 games
9.6%
Tristana
3318 games
Jhin
13133 games
8.0%
Miss Fortune
6554 games
4.0%
Ezreal
21621 games
13.2%
Lucian
4874 games
3.0%
Varusloseslane against...
Yasuo
1031 games
Nilah
1450 games
0.9%
Draven
5298 games
3.2%
Ziggs
2959 games
1.8%
Kalista
4524 games
2.8%
Samira
5656 games
3.5%