Some attacks require specific types of Energy, and certain Trainer cards can attach or retrieve Energy
Players are able to use either one of the three available starter decks or can create their own by gathering together 60 cards into a deck: ensuring that there arent more than two different types of ink colours in it
The ability to add the card to a deck of yours (main or side) directly, or to add it to a haves or wants list
Faster turnaround at comparable total cost: CGC Express at ~$75 delivers in 1015 days
Shop Sword & Shield Evolving Skies singles on TCGPlayer eBay both Pricing: Market Reliability: medium Best for: Graded PSA/BGS alt arts, sealed boxes Strong PSA 10 market for Umbreon ($2,200-2,800)
As a game, its a bit more complex than Pokemon, with a large amount of mechanics and rules to remember, but if you take the time to learn it, it can be great fun