This set is a customer-driven order, of each franchise's best team that did not make a conference championship team or Super Bowl.  Here are the teams in the set:  
NFC
1984 Dallas
1985 New York (N)
1992 Philadelphia
1984 St Louis
2005 Washington
2001 Chicago
1995 Detriot
1994 Green Bay
2005 Tampa Bay
1988 Minnesota
1992 New Orleans
1998 San Francisco
1984 LA Rams
1980 Atlanta
2008 Carolina
 
AFC
1999 Buffalo
1990 Miami
1986 New England
2000 Indianaplois
2004 New York (A)
1980 Cleveland
2005 Cincinnati
1992 Pittsburgh
2012 Houston
1998 Jacksonville
1996 Denver
1985 LA Raiders
2006 San Diego
2003 Kansas City
1984 Seattle
2006 Baltimore
2008 Tennessee
 
This set is on half-page cards complete with player finders.  They are meant to be played with other teams in this set and any of the other Greatest teams sets on this site.