The crucial difference is that effects that remove an ability don't remove a designation
Based on their specific stats, discipline, mood, weight or even neglect, Digimon can digivolve into many different evolutions, and not just on one linear evolution path
I also am considering putting either Valkyrie Harbinger or Kalonian Hydra into this deck, but I do not wish for this deck to be too similar to any of my other decks, so I would prefer to avoid putting those cards into this deck, if I can avoid doing so, and I also am not yet certain about Doubling Season, staff of completion, or Selvala, Explorer Returned, since those cards would be awesome in this deck, but I do not wish to use them in every deck in which they would be a good addition
This sponsored article got the author interested in hunting down merch for his favourite Pokmon generation from Black and White