Sazin, the Fellblade

Commander ninjutsu {1}{u}{u}{b}{b}
Ninjutsu {u}{u}{b}{b}
Attacking Ninjas you control have menace.
Whenever a nontoken Ninja enters the battlefield
under your control during the combat phase,
choose one :
•Target creature gets -2/-2 until
end of turn ,•Each opponent loses 2 life,
•You create a tapped black 0/1 Ninja Spirit token.