Nafsi Ilm Effecting Material Things
Another example would be Quran 12:93 which according to Ghamidi Sahab seems to have its basis in Nafsi ilm. This is where Prophet Yusuf (AS) sent his shirt which brought the eyesight of his father Prophet Yaqub (AS) back. For details , please refer to the video below from 4:08 to 24:04 ( specifically from 16:41 onward ) https://www.youtube.com/live/CfLBPL_3u_k?si=5KlCwfMJ4VbNoLt1&t=248