Shemot 7:11-13

Orthodox Jewish Bible

¹¹ Then Pharaoh also called the chachamim and the mechashefim: now the kharetumei Mitzrayim, they also did in like manner with their secret lore.

¹² For they cast down every man his matteh, and they became serpents: but the matteh Aharon swallowed up their mattot.

¹³ And He hardened lev Pharaoh, that he paid heed not unto them; as Hashem had said.