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
Unlike most other effects that allow you to steal an opponents monster, this effect is permanent
Only tapped Pirates and tapped Vehicles count toward the casting permission from The Indomitable's last ability
This year is the games 25th anniversary so, were talking about a game with something around 150(!) mechanics
With Coven online, it can also cast creature spells from the library's top
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