The holographic Charizard is the unofficial chase card and, in a perfect condition, can sell for upwards of $40,000
Yes, it's a pretty pricey instant, but you can cast the card for free if your opponent searches their library this turn
the ranking is useful because it shows the shape of demand
From this perspective, you should buy every Secret Lair drop, whether you actually want it or not, knowing that you'll basically break even most of the time, while not-that-infrequently, you'll hit an above-average drop and double your money
You need to battle eight gyms clubs and then the Elite Four Grand Masters in order to earn one of the Legendary Cards (oooOOooooo)
Its Feed the Poor ability lets you potentially draw a card once Robin Hood is played, and 'Good Shot' gives the card Evasive - but only during your turn