Here is what to look for form the article:
"Six Wacky Packages promo cards also will be found in some types of 2016 Topps Series 1 retail packs — cards for Giants Magic Beans, Mets Deli Meat, Royals Blue Cheese, Dodgers Sushi, Red Sox Tea Bags and Cardinals Eggs. With the MLB-themed Wacky Packages release coming, these may be popular with the non-sports crowd."