According to Mobalytics, Nami has the highest pick rate on support

Nami Build Calculator - Automatic Theorycrafter - LoLSolved

Watch best highlights with Nami captured by Mobalytics in LoL patch 13.19

Nami Build Guides :: League of Legends Strategy Builds, Runes and Items

Nami games after buffs : r/NamiMains

Watch best highlights with Nami captured by Mobalytics in LoL patch 13.19

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Nami Build Calculator - Automatic Theorycrafter - LoLSolved

Watch best highlights with Nami captured by Mobalytics in LoL patch 13.19

Nami Build - Highest Win Rate Builds, Runes, and Items

Nami will launch in Legends of Runeterra's Beyond the Bandlewood through Bilgewater - Dot Esports

Nami Build Guide - Runes, Items & More - Patch 13.24

League of Legends Nami Build Guide – Expert Game Reviews