This format follows all of the normal rules of deck construction - meaning you build a 60-card minimum main deck with a sideboard of up to 15 cards, with no more than 4 copies of any one card across your entire deck list (excluding any basics)
Many of the toy creatures are quite cheap and therefore they can help you pivot into later artifact strategies like Alibou, Ancient Witness, or Wurmcoil Engine
Check out these cool enchantments
The Pokemon Company has made significant efforts to get more cards produced and in the hands of fans, but items like Elite Trainer Boxes tend to sell out very quickly, only to end up on the secondary market, where they command a high price
Naturally you can use this to stack Blastoise for additional damage from its Hydro Pump attack, but as you can get Lapras early on, youll find it has diverse uses