I've been playing landstill for the past year learning the ins and out of the deck. (Landstill is not in a good place rite now not only being an extremely difficult deck to play)
I wanted to change decks for a while and I finally ripped that band-aid and for the first time took apart my deck and made a mentor list from scratch.
I always loved the feeling of building a deck from crappy beginnings, learning to build the deck and evolve it overtime, taking suggestions and acquiring new tools to try.
I am excited and not disappointed changing into a new type of deck and learn a new type of playstyle. I am not frustrated anymore but it will deffinitly help me grow as a player.