The Connection Card is the way to capture information from guests and regular attenders who are interested in learning more about your church. The Membership Class is the most important call to action in your communication to these people because it directs everyone to a single place to share their faith, identify their people, and begin to live out their purpose.
Here's one way that I've illustrated the importance of the New Members class. It is the endpoint for the outreach and assimilation process, but it also marks the beginning of the equipping and engagement process.