Surah Az-Zukhruf 43:49
وَقَالُوا۟ يَـٰٓأَيُّهَ ٱلسَّاحِرُ ٱدْعُ لَنَا رَبَّكَ بِمَا عَهِدَ عِندَكَ إِنَّنَا لَمُهْتَدُونَ
And they said [to Moses], "O magician, invoke for us your Lord by what He has promised you. Indeed, we will be guided."
Translation: Saheeh International
Tafsir
And they said to Moses upon seeing the chastisement ‘O sorcerer! — that is to say ‘O knowledgeable perfect one’ since for them sorcery was an awesome form of knowledge — supplicate your Lord for us by the covenant that He has made with you to the effect that He would relieve us from chastisement if we believe. …
Excerpt from Tafsir al-Jalalayn, commentary on 43:49, via Quran.com. The reader has the full commentary and 9 more tafsirs.