machamp holographic card Pokemon - (8/102) - Base Set Fighting / 160 / Stage 2 Attack 1 Machamp 088/196 - Lost Origin

This is especially relevant for Monster, where each kind of Monster card (Normal, Effect, Fusion, Link etc.) has it's own distinct color

This is also evidenced by the inability to trade cards of 2 Star rarity or higher, as if players could immediately trade for their missing cards, they wouldn't need to spend $10 or $100 or more for a random chance of getting them

And if locking down Item or Special Energy cards wasn't enough, Crushing Hammer added even more frustration to the mix to disable opponents completely

List of Yu-Gi-Oh

Crystal Pokemon were a type of card created specifically for this peripheral, though they could also function as cards in physical decks

Even then, people had to go out of their way to request a copy