The theme of burial with Christ is that we are raised to be one. The original heresy was to cut up the body of Christ and hack it to pieces.
What if the heretics were not only in the church, but the churches themselves were the ones committing the heresy?
Does your church sign advertise oneness in Christ or difference from other churches? How does it do so? Does your church website market your distinctiveness or your union with all churches in Christ?