As you can see in the chart above, our current Standard is the cheapest we've had in at least the past four years, and we've seen a massive 29% decrease in the average price of a top 10 Standard deck in just one year, which is pretty impressive
It makes sense that these cards then are the most valuable in the set, combined with a unique border and foil design that compliments the card art
As fans eagerly await this new instalment, collectors are increasingly seeking out these promotional cards, which were originally released during the XY and XY BREAK eras of Gen 6
Like most Pokmon cards, the value of Stoutland depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Black & White)
I also consider their power/toughness in relation to their activation cost
The same goes for selling at a convention, though there can be wait times depending on when you go and how much you have for someone to look through