Most of the cards you need can be found in Pikachus booster pack, while additional supporting Trainer cards are available in both the Charizard and Mewtwo booster packs
A PSA 10 can reach 4,000 euros, while lower grades (PSA 7-8) trade between 700 and 1,800 euros
The deck features a bunch of monsters which all have two ways to gain their effects: either from being discarded by the player, or by the opponent
The Pokmon Company can always decide to reprint them later, but until that point theyll likely remain coveted items for collectors
If you're not familiar with the rule yet, the basic idea is that every time you mulligan, you'll mulligan back to seven cards, and then once you finish mulliganing, you choose a number of cards (from your seven-card hand) equal to the number of times you mulliganed and put them on the bottom of your deck