Ash Shabi- 'They are Jews in disguise' (as-Sunnah 1/497)
Abu Hanifah- 'Whoever doubts the caliphate of Abu Bakr and Umar is a kafir' (al-Sawaiq al-Muhriqah, Page:362-363)
Malik- 'The one who reviles the Companions of the Prophet (Sallallahu Alayhi Wa Salaam) does not have any share in Islam. (as-Sunnah 2/557)
Shafi- 'A Rafidhi will have no intercession, this is only for a Muslim' (al-Kafaaya 1/126)
Hanbal- 'The Rafidhi has nothing to do with Islam' (Usul as-Sunnah, Page: 82)
Bukhari- 'I dont see any difference between praying behind a Rafidhi and a Jew' (Khalq af'aalul-Ibaad, Page: 14)
Ibn Tamiyyah- 'They are the most evil people the people of desires and deserve to be killed more than al-Khawarij' (Majmoo' al-Fataawa 28/482)
The 4 madhabs and every great scholar of Islam had the chance to have has declared you kuffar.