Another common name for blade steak is top blade.
The top blade steak is a steak that is cut from a muscle in the beef chuck primal cut, specifically the top blade (or infraspinatus) muscle.
That's why the cut of steak is called the blade steak.
If you cannot find blade steak in your store or butcher you can ask for top blade or look for top blade steak.
Some stores or butchers call it blade steak and other stores may call it top blade.
Top blade and blade steak are the same cuts of steak but just with different names.
I've always found blade steak under the name of top blade in the stores near me.