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 - $63.10
LP - $50.50
MP - $37.90
HP - $25.30
DMG - $12.70