Sakashima's Student

逆嶋の学徒 (Sakashima's Student) (ja)

Creature - Human Ninja (CMC 4)
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand 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.