Cramorant Twilight Masquerade Pokmon CardTrader Perrin Twilight Masquerade Pokmon CardTrader Most Expensive Grand Master Rare Cards From Yu Gi Oh! LIMIT OVER COLLECTION THE HEROES , here are the Top 10 most expensive cards when they appear as Grand Master Rare (Serial Numbered). Bit random, favourite and or least favourite Yu Gi Oh card rarity? Favourite would have to be Secret Rare and least would have to be Ultimate Rare. It works for some cards but I feel