are yugioh cards evil Most Expensive Supreme Darkness In Yu-Gi-Oh! TCG then if you have a monster that mentions Dark Fusion in your GY Yu-Gi-Oh Card - CHIM-EN062 -

So many sick plays

A Quick Interlude About Transforming Double-Faced Cards Transforming double-faced cards like Tavern Smasher // Tavern Ruffian can be cast with their front faces up, and if they are put onto the battlefield without being cast, they are put onto the battlefield front face up

This means serious collectors will have to collect two sets of reverse holos, with one set being much rarer than the other

And all 150 gen 1 Pokmon (without Mew) were available as both blue and green back cards

Product IDs are also sequential and can be used to date the products as well - Im planning on providing some sort of timeline in future as well to allow everyone to be able to easily look at a product and think oh yeah, thats from 2013 without the year being explicitly printed on the item