Well here is a link to Cardboard Connections checklist for the set:
http://www.cardboardconnection.com/2016-topps-opening-baseball-cards
Here is the relics list:
ODR-AR Anthony Rizzo - Chicago Cubs
ODR-BP Buster Posey - San Francisco Giants
ODR-CK Clayton Kershaw - Los Angeles Dodgers
ODR-DO David Ortiz - Boston Red Sox
ODR-FF Freddie Freeman - Atlanta Braves
ODR-I Ichiro - Miami Marlins
ODR-JM Joe Mauer - Minnesota Twins
ODR-MW Michael Wacha - St. Louis Cardinals
ODR-PF Prince Fielder - Texas Rangers
ODR-PS Pablo Sandoval - Boston Red Sox
ODR-RC Robinson Cano - Seattle Mariners
Looks like it supposedly exists.
I collect: Baseball, Football, Hockey, Mostly Vintage pre1980, My Homie teams - Washington/Baltimore Teams Senators (Twins, Rangers), Expos/Nationals, Redskins, Capitals, Bullets/Wizards - HOFers - Non-sport (mostly TV shows and movies).
My Trade List is very much a work in progress
CaptKirk42s Trading Card Blog Curly W Cards Strive For '65 YouTube klandersen42