Japanese Booster-Box Configuration A Japanese Terastal Festival ex booster box contains 10 packs, with 10 randomized cards per pack, for 100 physical cards in total
It's the best way to get foils at common and uncommon, and the only shot at the serialized golden Traveling Chocobo
Dragon's Mirror X SPELL Fusion Summon 1 Dragon Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your field or GY
There are a few additional points it could have addressed within its scope such as demonstrating at least one trainer card, but on the whole it is a good introduction and there is other in-game guidance for concepts beyond those introduced in the mandatory tutorial
If you're a fan of whimsy, then Evolving Skies might strike your fancy, but purists will appreciate the natural habitat Leafeon enjoys on this card
Verdurous Gearhulk is the real deal, and combined with the power level of the green cards from other sets, expect to see plenty of Verdurous Gearhulks cast during this Standard format