The Messenger of Allah ﷺ, when praying for rain, would say, "O Allah, give drink to Your servants and Your livestock, spread Your mercy, and revive Your dead land."
كان رسول الله ﷺ إذا استسقى قال: اللهم اسق عبادك وبهائمك، وانشر رحمتك، وأخي بلدك الميت.
Abu Dawud (1176) narrated it from Sahl bin Salih, who said, "Hisham bin Qadim reported to us, Sufyan informed us, from Yahya bin Saeed, from Amr bin Shuayb, from his father, from his grandfather," and he mentioned it. This chain of transmission is hasan on account of Amr bin Shuayb.