There’s vigorous debate regarding which reroll Yone variant is optimal. Here’s a sampling of some variations discussed:

7 Heavenly 4 Reaper from TFTAcademy

4 Reaper 4 Behemoth from Water Park Tactics

At level 9, swap out Shen & Malphite for Wukong, Morgana, and Qiyana to cap out the board (thanks 2Sven!)

4 Reaper 2 Umbral 2 Heavenly by Jazlatte as reported by Clement Chu