Knight of Cups and Death: a Comparative Analysis

Am I only now paying mind to how similar some of the components of the Knight of Cups and the Death card are? Both show a horseman riding to the right, their horses with the right legs lifted. Both riders are armored and hold up an object: the Knight bears a cup; Death, the white rose flag. A river flows on the background of both cards. Both cards are connected with the Water element: the Knight, via its suit of Cups; Death, by its rulership by Scorpio, a water sign.

Could the connection...