Rin Natsuko, Horned Shinobi

Whenever Rin Natsuko, Horned Shinobi or
another nontoken Ninja enters the battlefield
under your control, create a 1/1 Ninja token with deathtouch.
Sacrifice two Ninjas: Until end of turn, if Rin Natsuko, Horned Shinobi dies, return Rin
Natsuko, Horned Shinobi to the battlefield.
"Every problem has a solution. The only question is
how much blood are you willing to spill?"