This is the first time that the game has released such a set this early in a year, having previously only done so in Q4 speaking to the step up in plans for such a monumental year
Unlike most other effects that allow you to steal an opponents monster, this effect is permanent
This year is the games 25th anniversary so, were talking about a game with something around 150(!) mechanics
I mean, its pretty obvious when you think about it, but this definitely proves (at least to me) that there were two separate but connected departments during this preliminary Pocket Monsters Card Game development process: the Graphics Team and the Rules/R&D Team
Only one expansion can be printed at a time
For the ETB effect, we borrowed an effect that premiered on We wanted the back face to be protective in flavor, but we didn't want it stalling out games, so we needed to give it an aggressive element