3d pokemon card art Energy Cards- Fire, Electric, and Psychic 3D Card Binder for Pokemon

Before I list my thoughts on the topic I want to say that you should do whatever you want with your cards if itll make you happy

You can't complete a set if that is your goal, even with an entire case

If you want the mono-black, go-wide rat-swarm experience most people mean by rat deck, start with Marrow-Gnawer or Karumonix

So this Dark Blastoise came from the Legendary collection

And They Shall Know No Fear It looks like a simple combat trick, but in typal decks, And They Shall Know No Fear is an almost better Heroic Intervention

Creating additional combats is incredibly powerful but needing to Crew one with Baltheir and Fran, and pay three mana, is a lot of requirements for Standard