Surah Al-Isra 17:86

وَلَئِن شِئْنَا لَنَذْهَبَنَّ بِٱلَّذِىٓ أَوْحَيْنَآ إِلَيْكَ ثُمَّ لَا تَجِدُ لَكَ بِهِۦ عَلَيْنَا وَكِيلًا

And if We willed, We could surely do away with that which We revealed to you. Then you would not find for yourself concerning it an advocate against Us.

Translation: Saheeh International

Tafsir

And if la-in the lām is for oaths We willed We could take away what We have revealed to you in other words take away the Qur’ān by erasing it from the hearts of men and from the written copies. Then you would not find in respect thereof any guardian for yourself against Us;

Excerpt from Tafsir al-Jalalayn, commentary on 17:86, via Quran.com. The reader has the full commentary and 9 more tafsirs.