On 24 June 2012, Mascara joined Emirati club Al Nasr on a one-year deal pending a successful medical. He was targeted by the club's boss Walter Zenga after Al Nasr striker Luca Toni asked to leave the club after a poor form in the first six months of his one-year stay in Dubai.
In June 2012, Mascara signed with Emirati club Al Nasr on a temporary agreement contingent upon a satisfactory medical evaluation. The club's manager, Walter Zenga, identified Mascara as a potential signing after Al Nasr striker Luca Toni expressed his desire to depart the team due to underwhelming results during the first half of his one-year tenure in Dubai.