To Cause Dreams is an entry in Cassie Blake's Book of Shadows about using moonstones for good dreams.
While going through her Book of Shadows at the Meade house, Cassie finds the To Cause Dreams entry. As per the entry's instruction, Cassie searches for a moonstone among Diana's crystals and places it under her pillow. That night, Cassie has a prophetic dream that reveals the location of the hidden Master Tools.
- Place a moonstone beneath your pillow and all night you will have fair and pleasant dreams which may profit you.