Al-Falaq • EN-TAFSIR-IBN-ABBAS
﴿ وَمِن شَرِّ حَاسِدٍ إِذَا حَسَدَ ﴾
“"and from the evil of the envious when he envies."”
And from the evil of the envier when he envieth) this refers to Labid Ibn al-A'sam, the Jew, who was envious of the Prophet (pbuh) and used black magic to separate him from 'A'ishah'.