The Bad Guys Deck (Japanese: わるいやつらデッキ) is a Theme Deck from Pokémon Card GB2: Here Comes Team GR! for the Game Boy Color. It places emphasis on a balance of types: , , , and . This deck is one of many that cannot be made in either of the two Auto Deck Machines in Dr. Mason's Lab. The only person who plays with this deck is Kanzaki, one of two bodyguards of King Biruritchi in the GR Castle.