Choose Format: Softcover Study Guide, PDF Download This Prayers that Strike the Mark Study Guide will help you focus your prayers and align them with the heart of God. The words of the intercessor are a powerful force for healing the wounds of the past, closing doors to the enemy and shaping the course of history. As you work through these lessons and apply these truths in your prayer closet, you will find yourself striking the mark of God’s heart in intercession.