Sakashima the Impostor
From Saviors of Kamigawa set
Sakashima the Impostor
Legendary Creature — Human Rogue
3/1
You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has " : Return Sakashima the Impostor to its owner's hand at the beginning of the next end step."