pokemon gym leaders booster packs Japanese Pokémon - Leader's Stadium Pack (Gym 1 including some with special artwork showing off their biggest and boldest attacks Gym Heroes (TCG) - Bulbapedia,

You can easily see that the difference is huge

But then it dawned on meisnt that exactly what beginner Commander players do when they build their first decks

As noted by the same source above, this game was teased in the original announcement video and is now the only remaining GBC game on this list that hasn't been added yet

Trading Card World, a store and card community in Dallas, TX that was involved in the situation even openly shared how its staff was wary of the sheer number of Secret Rare cards being offered by a sellergoing as far as to tell the person contacting them about the cards they were likely fake or stolen