Many collectors feel Japanese printing quality is higher, which ties into card condition: surfaces and corners from Japanese prints often come out of packs cleaner
The Box has 20 Skill Cards total: 8 main Skills for the pre-constructed Decks, an additional Skill for each of those Decks to let you customize it to your liking, and 4 more Skill Cards you can use to build Decks on your own
What is the rarity of this Snorlax ex card
Later on, players tend to become more competitive and start fine-tuning decks to stand a chance in tournaments (or just using the web to build the best deck at the time)
This gives the next cast spell flash, plus you can put X +1/+1 counters on a creature, where X is the mana cost of the spell
Each upkeep, the card's controller flipped a coin and then flipped up the relevant side