While the number of people you can fit in your heart may be one, if you love Pokemon TCG cards, it's likely there are multiple cards you could love
Cataloging an existing collection : entering each card manually into a spreadsheet takes days
The amount of Mana you need can be more complex, depending on how you split your Colors, but the game has cards that give Mana for more than one color
Ow is a card showing some poor schmuck getting a rock smashed over his head, and the effect is pretty fun, forcing players to say 'ow' any time they take face damage
Regular RR and AR cards retain a yellow or colored card border
There are several ways to have your Pokmon cards graded: Professionals and experts : You can send your cards to a professional grading service like PSA (Professional Sports Authenticator) or Beckett Grading Services