Aura that prevents attacking, blocking, and/or activated abilities Now we get a little fuzzier
What actually works
While often used as a support engine in Water decks like Starmie ex, Mega Greninja ex can also function as a core win condition in specialized builds.
The company is undoubtedly thinking about how to mitigate the issue for such a high-profile release, and ample supply is a potential lever to pull.
Yes, not being able to control the outcome is bad, but youll either get tokens, deal direct damage, or even use its activated ability twice more, and thats on a 4-mana card
Invaluable to my research for this project was Tavis Kings videos on his YouTube channel, Emma Partlows ongoing article series on foil treatments at TCGPlayer.com, and MaxMakesMagics archive work of the Mothership articles on Github