rare diglett pokemon card Alolan Non-holo #122/191 Chilling Reign Singles Diglett - Skyridge - Pokemon

Because Commons find it difficult to own multiple copies of their monsters in their Extra Decks, Crow includes several ways to protect and bring back his "Assault Blackwing - Raikiri the Rain Shower" and makes up for the additional space in his Extra Deck by using a wide array of low-Level Synchro Monsters, most of which are aimed to bring out his stronger monsters

When one of those six types exists on the Battlefield, it's a Permanent

Learn how to use mathematics against the opponent with a Mathmech Deck

If you can, you should try to trade as much as you can one for one early on, and plan on taking control in the mid to late game