Verses with the word subtilty in the New Testament (3 verses):

Matthew 26:4
And consulted that they might take Jesus by subtilty, and kill him.

Acts 13:10
And said, O full of all subtilty and all mischief, thou child of the devil, thou enemy of all righteousness, wilt thou not cease to pervert the right ways of the Lord?

2 Corinthians 11:3
But I fear, lest by any means, as the serpent beguiled Eve through his subtilty, so your minds should be corrupted from the simplicity that is in Christ.