The Xanax could be affecting your dreams so you might want to discuss them with the doctor who is prescribing it. The Xanax could be causing you to experience a sense of evil in your dreams.

Water in a dream often symbolizes your unconscious.

The meaning of the church will be related to how you feel about religion in waking life. Does the church itself feel evil or bad, or do you see it as an island of safety? If it makes you feel bad, you could be feeling guilty about something.

The statues could represent feeling immobilised or powerless in a situation.

Have you been in a situation where you feel you've had to make important decisions (battle between right and wrong) or that others have been making decisions for you (a statue being moved around)?