What are the key rules and limitations regarding Grade progression in a typical Cardfight!! Vanguard match?
How have new card sets or expansions changed the meta in Cardfight!! Vanguard, and what are some notable examples?
What is the significance of the "Trigger Unit" cards, and how do they impact the flow of a battle?
How do the clan and nation mechanics affect deck building strategies in Cardfight!! Vanguard?
What are the different card types in Cardfight!! Vanguard, and how do they interact with each other during gameplay?