Viego, Ruined King of Camavor

Whenever a creature that was dealt damage this turn by Viego, Ruined King of Camavor dies, Viego, Ruined King of Camavor becomes a copy of that creature except it is a spirit in addition to its other types, is named Viego, Ruined King of Camavor,
and has "When this creature dies transform this card back into Viego, Ruined King of Camavor".