[Hoodat]

No, He was not

Then how were they able to prophesy, heal the sick, perform deliverance, etc?

. . . or they would not have rejected.

Rejected what? What is it that they rejected?

[xzins]

That should have had a "been" prior to the rejected: "or they would not have been rejected."

False prophets have power, apparently:

Matthew 24:24 For false Christs and false prophets will appear and perform great signs and miracles to deceive even the elect--if that were possible.