Best operator Rainbow Six Siege

hello everyone! Who best operator Rainbow Six Siege? I thought Hibana Songs used in video: -JoJo - To Be Continued -kana hanazawa - renai circulation -gary-jules-mad-world-minus -Smile, Sweet, Sister, Sadistic, Surprise, Service, Snoop Dogg -Foster the People - Pumped up Kicks (Bridge and Law Remix)