The original Japanese version saw Gengar in a background scene displaying a graveyard which fits with his theme as one of the few Pokmon who is actually evil
Though not the first set to introduce Pokemon which go against their usual Energy type (you can find more information on this in our Pokemon Energy Types guide), it certainly used them in a big way
A quick note before we get into it: some of these cards feature content that was considered offensive or inappropriate, which is exactly why they were changed
Having an obsession with the game as a special interest, of course, helps enormously as well. But along with the similarities, there are some key differences between the games that anyone considering making the transition in either direction should be aware of
Security upgrades Reinforced glass, motion sensors, and silent alarms
While Iron Crown ex may not be its own deck archetype, it is a key card in the Future Iron Hands ex deck thats gained a lot of traction in the Pokemon TCG meta, allowing Iron Hands ex to become an archetype in its own right