List of NFC teams appearing in the NFCCG in the last 20 years:
— Jimmy Kempski (@JimmyKempski) January 13, 2019
Eagles, Giants, Packers, Vikings, Bears, Saints, Falcons, Panthers, Buccaneers, Rams, 49ers, Seahawks, Cardinals.
List of NFC teams not appearing in the NFCCG in the last 20 years:
Cowboys, Redskins, Lions.