Ma'mar bin Rashid معمر بن راشد · Chapters on The Virtues of the Qur'an

that the Prophet (ﷺ) said: "Indeed there is a Surah in the Qur'an of thirty Ayat, which intercedes for a man until he is forgiven. It is Tabarak Alladhi Biyadihil-Mulk."

that the Prophet (ﷺ) said: "Whoever recited Qul Huwa Allahu Ahad two hundred times everyday, fifty years worth of his sins will be removed - unless he owed a debt." And another narration with this chain, from the Prophet (ﷺ) that he said: "Whoever wants to sleep upon his bed and sleeps on his right side, then he recites Qul Huwa Allahu Ahad one hundred times, then on the Day of Judgement the Lord, Blessed and Most High shall say:…