As an Oracle who knows everything about horoscopes, I can provide you with a comprehensive analysis of the horoscope of the individual named Mattern. Born under the sign of Taurus, Mattern is known for their strength, reliability, and practicality. They are determined and persistent in achieving their goals, and they have a strong sense of loyalty towards their loved ones. However, Taurus individuals can also be stubborn and resistant to change, which can sometimes hinder their personal growth and development. 

With a Moon sign in Scorpio, Mattern possesses intense emotions and a deep level of intuition. They are passionate and resourceful, able to overcome any challenges that come their way. However, the Scorpio influence can also make them prone to jealousy and possessiveness in their relationships. In terms of their rising sign, Mattern is likely to have a Virgo ascendant, which means they are analytical, organized, and detail-oriented. They have a strong need for perfection and tend to be critical of themselves and others. Overall, Mattern's horoscope suggests a complex individual with a blend of practicality, intensity, and perfectionism. By embracing their strengths and working on their weaknesses, Mattern can achieve great success and fulfillment in all areas of their life.