Sakashima's Student 24 (Planechase 2012)

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) You may have this creature enter as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

NM - $60.50
LP - $48.40
MP - $36.30
HP - $24.20
DMG - $12.10