What does alladhī anqaḍa ẓahraka contribute after wizraka?

Supplementary Practice 18: Rhetorical Analysis of Sūrat al-Ḍuḥā and Sūrat al-Sharḥ

• It introduces an unrelated agent
• It clarifies the quality and severity of the already mentioned burden
• It negates the preceding favor
• It provides a clue to an omitted imperative