The Yuumi build for Support is Moonstone Renewer 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
3,503 games
Pyke
1,636 games
Pantheon
600 games
Xerath
1,396 games
Neeko
521 games
Vel'Koz
498 games
Zyra
1,454 games
Zilean
633 games
Brand
903 games
Lux
2,592 games
Thresh
3,277 games
Swain
749 games
Leona
1,351 games
Morgana
1,276 games
Karma
1,390 games
Taric
249 games
Nautilus
2,383 games
Seraphine
654 games
Braum
438 games
Twitch
247 games
Blitzcrank
2,003 games
Rell
1,072 games
Bard
1,239 games
Sona
599 games
Rakan
2,388 games
Lulu
2,072 games
Maokai
435 games
Nami
1,531 games
Ashe
1,460 games
Milio
1,236 games
Renata Glasc
1,334 games
Soraka
1,426 games
Alistar
1,115 games
Janna
1,404 games
Shaco
386 games