Unfortunately, Garchomp cannot use Special Energy like Double Rainbow or Scramble Energy (these turn off its PokeBody), so it takes quite awhile to get off of the ground
While some were banned in Historic because of their power level, most of these cards see play in a variety of formats and are a welcome addition to the game
Personally, with Chasm Skulker being one of my pet cards from M15 Im most excited to see if gaining 2 counters per turn is enough to put it over the top in some kind of UGx shell
When done correctly, grading protects cards, builds trust, and improves resale potential
When you finally have a large enough collection to build decks from scratch, the cards from your starter decks can be excellent supplemental options
It scales the cost of attack to the number of enchantments you have, meaning your opponents will often be forced to pay 4, 5 or more mana to attack you with a single creature