Rule Of Two

At the beginning of your upkeep if you control
more then 2 Sith sacrifice all Sith you control
but 2.
At the beginning of your upkeep if you control only 1 Sith return target Sith creature card from your graveyard to the battlefield.
At the beginning of your upkeep if you control
no Sith create a 1/1 black Sith Master token.