If you have a full party, creatures you control get +3/+0 until end of turn instead
Plus, if you do this after said character has already quested, they can be drawn back to safety before your opponent can react
On information and belief, Miller maintained access to these things even after terminating his relationship with Upper Deck and used, referenced, and/or otherwise relied on them to create Lorcana for Ravensburger." Along with damages, Upper Decks is seeking "injunctive relief enjoining Ravensburger from publicly releasing Lorcana." This means the card game would be prohibited from launching (and clearly hasn't worked, considering the fact that it's now on shelves)
It would be powerful enough just to cheat free creatures into play, but putting them in tapped and attacking makes this a lethal commander that overwhelms the table with just a few combat steps
Archon generates card advantage and impacts the board when it ETBs or attacks, just like the Titan cycle