If its going into a deck, it doesnt matter if you get the perfect price, as long as you recognize rule two: Cards are 95% to be cheapest at about the six-month mark, barring crazy combo discoveries/previews
You may play a Basic Pokemon by putting it into your Bench zone, evolve a Pokemon, attach an energy card to a Pokemon, play a trainer card, retreat your Active Pokemon, and use your Pokemons abilities
Collectors chasing complete sets can bid on the 2014 Pokmon World Championships Pikachu Trophy Collection, which includes all four cards from the series including a Pop 1 pristine example
When this card destroys an opponent's monster by battle and sends it to the GY: You can send 1 Level 7 or 8 Dragon monster from your Deck to the GY
Mew can also act as an initial damage dealing card, or can be used as a third EX to swap out to if Dialga or Arceus get low