Campaign of Succession

When Campaign of Succession enters the
battlefield target opponent become the monarch
and creates a 2/2 green and white Knight
creature token with vigilance and reach for each
creature you control.
At the beginning of your end step, if you are the
monarch, create a 2/2 green and white Knight
creature token with vigilance and reach for each
opponent, then gain life equal to the number of
creatures you control.