Katanakaji Oni of Favor

Ninjutsu {2}{r}{u}
When Katanakaji Oni of Favor enters the battlefield, you may attach an equipment you
control to it, and create a 1/1 red and blue spirit
creature token. Attach an equipment you control
to that token and have it fight target creature or
player, and exile it at the beginning of your next
end step.
{1}{u}{u}{u} Exile Katanakaji Oni of Favor and
return it to the battlefield under
your control.