Surah Maryam 19:87

لَّا يَمْلِكُونَ ٱلشَّفَـٰعَةَ إِلَّا مَنِ ٱتَّخَذَ عِندَ ٱلرَّحْمَـٰنِ عَهْدًا

None will have [power of] intercession except he who had taken from the Most Merciful a covenant.

Translation: Saheeh International

Tafsir

They namely mankind will not have the power to intercede save him who has made a covenant with the Compassionate One the covenant being the profession of lā ilāha illā’Llāh wa-lā hawla wa-lā quwwata illā bi’Llāh ‘there is no god but God and there is no power or strength except in God’.

Excerpt from Tafsir al-Jalalayn, commentary on 19:87, via Quran.com. The reader has the full commentary and 9 more tafsirs.