Wayne Grudem, in his Systematic Theology describes union with Christ as a phrase that summarizes several different relationships between believers and Christ. Through these relationships with Christ, Christians receive every benefit of salvation. These relationships include the fact that we are in Christ, Christ is in us, we are like Christ, and we are with Christ. The key union with Christ Scriptures are Colossians 2:8-10; 3:8-11 and Ephesians...