Exodus 9:9-11

New Revised Standard Version, Anglicised

⁹ It shall become fine dust all over the land of Egypt, and shall cause festering boils on humans and animals throughout the whole land of Egypt.’ ¹⁰ So they took soot from the kiln, and stood before Pharaoh, and Moses threw it in the air, and it caused festering boils on humans and animals. ¹¹ The magicians could not stand before Moses because of the boils, for the boils afflicted the magicians as well as all the Egyptians.