Matoimaru, Oni of Light

The first time Matoimaru, Oni of Light enters
the battlefield, choose either humans or demons.
If humans are chosen, humans you control gain
double strike, vigilance, and lifelink. Demons
your opponents control get -2/-2.
If demons are chosen, demons you control gain
double strike, flying, and deathtouch. Humans
your opponents control get -2/-2.