Kakashi, Sakashima's Student

Ninjutsu {1}{u} ({1}{u}, Return an unblocked
attacker you control to hand: Put this card onto
the battlefield from yourhand tapped and attacking.)
You may have Sakashima's Student enter the
battlefield as a copy of any creature on
the battlefield, except it's a Ninja in addition to
its other creature types.
"Our greatest weakness is ourselves, that is why we
become our enemies"-Sakashima