Surah Al-Mulk 67:27

فَلَمَّا رَأَوْهُ زُلْفَةً سِيٓـَٔتْ وُجُوهُ ٱلَّذِينَ كَفَرُوا۟ وَقِيلَ هَـٰذَا ٱلَّذِى كُنتُم بِهِۦ تَدَّعُونَ

But when they see it approaching, the faces of those who disbelieve will be distressed, and it will be said, "This is that for which you used to call."

Translation: Saheeh International

Tafsir

But when they see it that is the chastisement after the gathering near at hand the faces of those who disbelieved will be awry blackened and it will be said that is the keepers of Hell will say to them ‘This is that chastisement which the warning of which you used to make claims about’ claims to the effect that you …

Excerpt from Tafsir al-Jalalayn, commentary on 67:27, via Quran.com. The reader has the full commentary and 9 more tafsirs.