Exodus 7:12
Each of them threw his staff down. They all became large snakes. But Aaron's staff swallowed theirs.
Exodus 8:18-19
The magicians tried to use their magic to make gnats appear, but they failed. There were gnats everywhere!
Exodus 9:11
The magicians were not able to appear before Moses, because they were covered with boils, like all the other Egyptians.
Acts 8:9-13
A certain man called Simon was in the same city. He used sorcery, and bewitched the people of Samaria, telling everyone that he was great.
Acts 13:8-11
But Elymas the sorcerer opposed them, seeking to turn away the deputy from the faith.
Acts 19:19-20
Many of those who practiced magical arts brought their books and burned them in the sight of everyone. When they totaled the value of them it came to about fifty thousand pieces of silver.
1 John 4:4
You are of God, my little children. You have overcome them because he that is in you is greater than he that is in the world.