Prophet of wolds end

Flash, commander devote, Secret Partner (you can
have Prophet of wolds end as a commanders in
Addison to any other commander)
your opponents can't lose the game.
at the beginning of your upkeep sacrifice a
permanent.
You lose the game if the king loses.
you win the game if all assassin and genitals
have lost the game.
you can play {r}{r}{r}{b}{b} put a doom counter on target permanent