By all measures, it's the Hearthstone version of Lorcana - the app installed on my PC provides access to a digital collection, cardback and deck customisation, both ranked and direct PvP matches and detailed statistics (if you subscribe to the projects Patreon)
We saw Calhoun Marine Sargeant become a staple in most Steel decks due to its ability to gain 2 lore for banishing opposing characters in a challenge, well that could be 4 lore with a Mushu on board, with the same true for Robin Hood Champion of Sherwood
As midrange and control strategies inevitably claim a larger share of the meta, Elsa becomes an essential tool for breaking board stalls and closing games
Jim Hawkins and the RLS Legacy crew from Treasure Planet further ramp the science fiction adventure vibes
A quarter of this deck is made up of characters with two or less Willpower, so you have to be careful that when you go wide, you aren't setting yourself up for an easy board clear from Grab Your Sword or Tinker Bell, Giant Fairy
Misleading Signpost can do a lot of work in this build