Players who use the card sleeves in battle will earn a point for the Pokmon featured on the sleeves, and they can earn an additional point for winning a battle
To be in with a shot of winning the card, players were first ranked based on their performance across a number of matches, needing not only to win matches, but also to win with as great a difference between their prize cards and those of their opponents - which are lost whenever a Pokmon is defeated, with six spelling a total loss
A small bonus to selling in this way, beyond the low fees, is that your listing is algorithmically pushed to potentially interested parties for free (Facebook is the largest harvester of interest-based information in the world, so this is a pretty big bonus)
Nothing could go wrong, right
There are lots of other Goblin cards that really get your engine cooking