UV Protection: Whether on display or tucked away, your collection is safe from sunlight damage
The deck's Quaquaval has the Energy Carnival ability, allowing one Energy card to be attached to a Pokemon once per turn, speeding up the process
All you have to do is invite a friend to play
Later rulings for these cards, I think, limits 'outside the game' to be your sideboard, which you designate before the game starts
Even without all of these block mechanics, filtering through your deck (card drawing) for free each turn is very powerful, but combined with the nature of the block, it put the Looter way over the top
The writing team felt it was the right timing after wrapping up the liberation of Ala Mhigo