Owning this item places them among the worlds most unique collections." No other Pokmon card can match the combination of popularity, rarity, and mythical status of the Pikachu Illustrator
If you only want to dip your toe into competitive play, an ex Battle Deck (like Tinkaton, Chien-Pao, or Charizard ex) will give you a fully legal preconstructed deck that teaches you the ropes and helps you get a feel for playing the game
Animate Dead, for example, is weaker to removal, but a lot easier to use in a combo
You can choose "Unspecified" to ignore the Bracket system (the current default)
One thing to note is that while there are 40 billion cards owned by players, that doesnt mean that there are 40 billion individual cards within the game