Most of these events have special promo cards up for grab, with alternative art and other perks available as mission rewards and prizes
Its also recently shot up in playability, so what gives
It includes a curated set of cards (some new, some old), via a "Beginner Box" with pre-constructed packs (to mix together for deck building) and tutorials, and a seperate "Starter Collection" (of 350 supplement cards) for further exploration
A standard 9-pocket binder page fits exactly 9 cards, one in each pocket
You can answer this question, like most deckbuilding related questions, by using statistics
This card game is based on the Pokemon franchise which is currently in development