yugioh rarity collection 2 most valuable cards RA02] 25th Anniversary II If you havent experienced this all 25th Anniversary Rarity Collection II

grading companies have a different set of criteria used to label the individual features of a card

cards, the value of Skilled Dark Magician depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Speed Duel: Streets of Battle City)

Designed to be more powerful than ordinary Trainer cards, these cards effect on gameplay was at such a level that each deck was only permitted to contain one ACE SPEC card

If your original idea is a mana cost, look at what else Wizards has done in those colors, both on planeswalkers and outside of them