Chock your deck full of enough card advantage and powerful cards that you feel very confident in winning the late game
Different Pokmon have different values, usually depending on their rarity
If I were to assemble a deck built around Pramikon, I would be using it as a group hug deck that pushes players to bend to my will and take out my competition, instead of simply walling myself off behind a Propaganda, Norns Annex, and Ghostly Prison to avoid attacks
At the same time, a mono-blue color identity is very restrictive
This creates a dynamic way to build your collection thats both fast and financially savvy
Milling is when you force your opponent to throw their cards directly into their graveyard, while self-milling is when you throw your own cards to the graveyard