Card condition may be indicated by HP, MP, LP, and NM. These mean heavily-played, moderately-played, lightly-played, and near-mint. Condition is a huge price factor, and you can find a guide here
Even as a non-tabletop gamer, she was able to well-understand the rules and how to play cards near-instantly, thanks to the structure of Gateway
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The major new additions featured in this edition include the ability to gamble at the Game Corner, which was originally introduced in the first generation of Pokmon video games
Even though it benefits your opponents because it also gives them an extra card, this legendary land is definitely interesting and a great choice for decks that don't have many slots available