Normally, these risks can be circumvented by purchasing only from reputable sellers (whether at the convention or in on-line secondary markets), or by having knowledge and experience of the hobby and official product, as well as exposure to fraud in on-line communities which discuss these malpractices for education and prevention
This somehow does both things very well
In order to tell the difference between the two, all you have to do is look for the rarity symbol in the middle right or the set tag on the bottom left of each card
Pull rate from Rare Packs: 4.76% The estimated pull rate for Glaceon ex (Triumphant Light) from a Rare Pack is approximately 4.76%, meaning you might need to open around 22 Rare Packs to obtain it
Yes, play boosters could have The List cards
This is useful because even later in the game, when she starts attacking, the opponent cant attack to KO her and will have to rely on effects to remove her