Ranking Every Rarity In The YGO TCG 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). Old Yugioh Cards Are EXTREMELY RARE!, If you compare the PSA 10 population of old Yugioh cards and the price of some of these new Pokemon cards going for thousands of dollars each, you would be The 29 most expensive Yugioh cards and prices