At the very least, there is now a massive beater in the deck name Mega Raiza who can simply be revived because hes huge
This deck can also make use of the extremely powerful Bystal cards, which are almost essential for stopping some of the plays from the more powerful meta decks
I would never need so many, as you can have a max of three copies of a card in a deck at any given time (unless it's Restricted at one copy or Limited at two, clearly indicated when deckbuilding)
Always plan out a goal in mind for a deck before you spend, and then focus on completing that deck before moving onto another one
The success stems from more than the cards, though, as the creators have produced various manga volumes, TV seasons, and even video games capitalizing on the concept