This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Only God can do great wonders.

Psalm 136:4 View context

To him who alone doeth great wonders: for his mercy [endureth] for ever.

Satan can also do great wonders.

2 Thessalonians 2:9 View context

[Even him], whose coming is after the working of Satan with all power and signs and lying wonders,