The Nami build for Support is Shurelya's Battlesong and Summon Aery. This LoL Nami guide for Support at Platinum+ on 13.24 includes runes, items, skill order, and counters.
Nami Counters
Namiwinslane against...
Win Rate
Matchup Rate
Hwei
538 games
1.7%
Rell
426 games
1.3%
Alistar
586 games
1.8%
Shaco
184 games
0.6%
Janna
1231 games
3.8%
Soraka
1118 games
3.5%
Rakan
1280 games
4.0%
Milio
943 games
2.9%
Renata Glasc
655 games
2.0%
Lulu
1543 games
4.8%
Braum
504 games
1.6%
Nautilus
1315 games
4.1%
Namiloseslane against...
Senna
2293 games
7.2%
Xerath
861 games
2.7%
Zyra
1091 games
3.4%
Vel'Koz
341 games
1.1%
Neeko
323 games
1.0%
Pyke
1009 games
3.2%
Brand
684 games
2.1%
Zilean
390 games
1.2%
Lux
1855 games
5.8%
Pantheon
300 games
0.9%
Seraphine
570 games
Swain
528 games
Ashe
732 games
2.3%
Karma
979 games
3.1%
Blitzcrank
1111 games
Bard
735 games
Morgana
966 games
3.0%
Yuumi
733 games
Sona
535 games
Taric
190 games
Maokai
251 games
0.8%
Leona
884 games
2.8%
Thresh
2100 games
6.6%