Exodus 9:11

9:11 The magicians could not stand before Moses because of the boils, for boils were on the magicians and on all the Egyptians.

Exodus 7:11

7:11 Then Pharaoh also summoned wise men and sorcerers, and the magicians of Egypt by their secret arts did the same thing.

Exodus 8:7

8:7 The magicians did the same with their secret arts and brought up frogs on the land of Egypt too.

Exodus 7:22

7:22 But the magicians of Egypt did the same by their secret arts, and so Pharaoh’s heart remained hard, and he refused to listen to Moses and Aaron – just as the Lord had predicted.

Exodus 8:18-19

8:18 When the magicians attempted to bring forth gnats by their secret arts, they could not. So there were gnats on people and on animals. 8:19 The magicians said to Pharaoh, “It is the finger of God!” But Pharaoh’s heart remained hard, and he did not listen to them, just as the Lord had predicted.