Yeah, theres still a bit of guess work left, such as with the Weakness and Retreat Cost and the Pokmon 25 logo but still, there is a LOT removed from just mixing those cards together, and whats left is damn near trivial to remove
You and your opponent can exchange pleasantries by shaking hands before the game
For one, spells and abilities cant be countered, but the other means damage cant be prevented
This guide explains that structure properly: what people actually mean by a Pokemon card distributor, why how do I become one is the wrong question for Japanese product, what the real supplier landscape looks like, what a good supplier relationship gives you, and how to vet any supplier before your first wire
If you have a card similar to the one pictured above, you may have something incredibly valuable
Cards like Blue Elemental Blast, Armageddon, and even another version of Ancestral Memory also appeared during this phase