Usurper

Your role remains hidden until the end of the
game, or until you reveal it through your role
effect.
Your goal is to win as the king. When the king
dies reveal this role to allplayers. You become
the king, and you life total becomes 40 if it was
less than 40. The old king becomes the usurper
with the goal to become the king again, and sets
their life to 1. All commander damage, poison
counters, and effects causing players to lose the
game are removed from the usurper and the king.