Book of Life was also somewhat notable at the time for having two different distinctly powerful effects, something that was relatively rare for cards in the early game
Foreign scalpers are perceived as accounting for a large number of Pokmon card scalpers in Japan, and the fact that the cards are printed with Japanese text only, and therefore unlikely to be used by non-residents to actually play the game back in their home countries, making bulk purchases seem suspicious
The following changes were made: The game is playable in English, instead of Japanese
This card has a good amount of synergy with the deck, and well get to why in a moment
Swordsoul focuses on Synchro Summoning using their respective Token monsters as the Tuner monsters
You can opt for a more Voltron build (loading it with Auras, Equipment, and +1/+1 counters) or a more generic counters deck spreading +1/+1 counters to multiple different creatures to go wide