Yu Gi Oh Cards A Rarity Guide. Steemit 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). 1 Yu Gi Oh Lot Of 25 Yu Gi Oh! Cards Rare, Super, Ultra, Secret Rarities, Near Mint Condition Yugioh Cards Rare Metal Dragon Yu Gi Oh! Movie Exclusive Pack YuGiOh 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 YuGiOh Trading Card Game Maze of Millennia Single Card Rare Hundred Eyes Dragon MZMI EN051 ToyWiz