The Rell build for Support is Radiant Virtue and Glacial Augment. This LoL Rell guide for Support at Platinum+ on 13.24 includes runes, items, skill order, and counters.
Enemy Champion
Win Rate
Vel'Koz
117 games
Heimerdinger
63 games
Senna
629 games
Swain
167 games
Xerath
272 games
Neeko
98 games
Lux
415 games
Brand
187 games
Zilean
127 games
Pyke
448 games
Zyra
265 games
Sylas
64 games
Bard
266 games
Pantheon
94 games
Seraphine
144 games
Morgana
328 games
Ashe
247 games
Nami
276 games
Karma
Thresh
867 games
Sona
100 games
Lulu
422 games
Renata Glasc
295 games
Maokai
99 games
Janna
459 games
Leona
365 games
Soraka
298 games
Milio
Blitzcrank
548 games
Braum
212 games
Taric
97 games
Alistar
522 games
Yuumi
290 games
Shaco
77 games
Nautilus
660 games
Rakan
718 games
Hwei