Tafsir of - Al-An'aam_en.yusufali TafsirHub

6:154
154
ثُمَّ آتَيْنَا مُوسَى الْكِتَابَ تَمَامًا عَلَى الَّذِي أَحْسَنَ وَتَفْصِيلًا لِكُلِّ شَيْءٍ وَهُدًى وَرَحْمَةً لَعَلَّهُمْ بِلِقَاءِ رَبِّهِمْ يُؤْمِنُونَ
To that end We gave the Book to Moses, a perfect law, distinctly explaining all things, and a guidance and grace, so that they should believe in the meeting with their Lord.

common.revelation-Meccan
common.hizb : 60

Then thumma is for describing events in a sequence We gave Moses the Scripture the Torah complete in grace for him who does good by observing it and a detailing an explanation of all things needed for religion and as a guidance and a mercy that perhaps they that is the Children of Israel might believe in the encounter with their Lord through the Resurrection.

ثُمَّ آتَيْنَا مُوسَى الْكِتَابَ تَمَامًا عَلَى الَّذِي أَحْسَنَ وَتَفْصِيلًا لِكُلِّ شَيْءٍ وَهُدًى وَرَحْمَةً لَعَلَّهُمْ بِلِقَاءِ رَبِّهِمْ يُؤْمِنُونَ

To that end We gave the Book to Moses, a perfect law, distinctly explaining all things, and a guidance and grace, so that they should believe in the meeting with their Lord.