The demo has a larger world map than the final game (which itself is based on the entire Japanese archipelago, unlike the final region, which is based on the Kansai region of Japan), and includes around 100 unused and changed Pokmon designs
It's the set, card number, and quantity
Instead, they simply removed the crosses, unlike most other controversial cards which received entirely new artwork
View our full list of cards here
This is really interesting, as it makes me think that they used ante as a balancing mechanism which led to a huge power discrepancy
Not only does this really slow down your opponent but it costs them a draw which very punishing early against tempo based decks