مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2197
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that Jibreel (عليه السلام) said to the Prophet (ﷺ): If only you could have seen me when I was taking the black mud of the sea and shoving it into Pharaoh's mouth.
Musnad Ahmad 2203Its isnad is da'eef]