Hands down number 1 Rhys Primer is https://www.mtgsalvation.com/forums/the-game/commander-edh/multiplayer-commander-decklists/217122-rhys-the-redeemed-token-justice

Protean >
--Fetch: Karmic, ?; sac
--Fetch: Rev, sac;
--Fetch saffi, grand abolisher

Saffi, Rev, Karmic loop for infinite recursion.
Rev gets Saffi / Karmic
Saffi gets Rev
Karmic gets X

Ezuri Renegade Leader, Argothian Elder, Maze of Ith = infinite combat damage

Mirror Entity, wirewood symbiotic, mana dork for 2
activate Mirror Entity for  = 1, making all of your creatures 1/1 and all creature types, return Wirewood Symbiote to your hand using it's own ability (as it is now an elf) untapping the mana creature, recast Wirewood Symbiote

Ashaya, Soul of the Wild, Quirion Ranger, and any creature that can tap for multiple mana
activate Quirion Ranger, returning itself to your hand, untapping the mana creature, recast Quirion Ranger

Fast plan
T1 Dork
T2 Rhys, 2 mana creature for X creature
T3 3 mana to Rhys, 4 mana for ??
T4 3 mana to Rhys, 5 mana for ??
T5 6 mana to Rhys
T6 craterhoof