The Yuumi build for Support is Shurelya's Battlesong and Summon Aery. This LoL Yuumi guide for Support at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Enemy Champion
Win Rate
Senna
5,047 games
Pyke
2,324 games
Neeko
769 games
Pantheon
804 games
Vel'Koz
713 games
Xerath
2,051 games
Zyra
2,124 games
Zilean
906 games
Lux
3,745 games
Brand
1,318 games
Swain
1,048 games
Thresh
4,735 games
Taric
370 games
Leona
1,943 games
Karma
2,017 games
Morgana
1,822 games
Nautilus
3,350 games
Twitch
366 games
Bard
1,715 games
Sona
885 games
Rell
1,482 games
Seraphine
968 games
Braum
634 games
Ashe
2,038 games
Lulu
3,019 games
Blitzcrank
2,870 games
Nami
2,251 games
Rakan
3,417 games
Maokai
616 games
Milio
1,779 games
Alistar
1,576 games
Renata Glasc
1,831 games
Janna
2,043 games
Soraka
2,108 games
Shaco
572 games