The point is that you want Detention Sphere if its one of your only permanents and Banishing Light if opposing Detention Spheres already have plenty of targets and youre worried that yours might not
It is a card with stable collector demand
The days of lugging binders to a local card show are still around, but theres a much easier way
The new boxes feature artwork of Charizard, Dragonite & Pikachu, Rayquaza, and Roaring Moon
Plus, Japanese Pokmon TCG cards use different rarity symbols than English cards do, adding to the confusion
But what really kicks it over the top is that middle part of his text box: Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. You dont have to worry about an opponent casting a Force of Will while tapped out, or a free Fierce Guardianship or Deadly Rollick