And I don't understand why they would target us
The raw data displayes the following ratios of secret rares / (full arts + secret rares): 53.5% (data compiled by me), 55.4% (data from @burpies) and 56.4% (data from Derium video)
After mastering a starter deck, expand your collection with booster packs, structure decks, or individual cards that enhance your strategy
If Jirachi is your Active Pokemon, you can look at the top five cards of your deck and add a Trainer card from there to your hand
Then regarding Spanish cards, they are printed in the US and The Netherlands (so made by Millenium Print Group and Millenium Print Group Europe), so you are right that they are not printed in Belgium by presumably Cartamundi and thus wont have those filler cards
Today, we continue with the Secret Rares of Sun & Moon Team Up