When you sell direct, whether through a site like eBay or Amazon, or through your own store - you have to manage things like shipping, failures in shipping, returns, refunds, angry customers and the often overlooked problem of inventory management
Some players, especially competitive players, don't like having to remember the differences between the Standard and rebalanced Alchemy versions of these cards
[2] Can make up to 2 attacks during each Battle Phase
When Arceuss health bar reaches specific thresholds, it becomes vulnerable to battle
Whilst players are free to build a deck from scratch using the cards they have, the Deck Wizard is an absolute marvel for trading card game newbies like myself, who know little to nothing about how to create a viable Pokmon deck
Combine this with some card draw and search options, and you've got the beginnings of something beautiful - but only the beginnings