About 2 years ago, I attempted to buy an Evolving Skies booster box from one of these machines in Seattle. It charged me the $144 or so MSRP and a Battle Styles ETB was dispensed. I tried again since the ES BB had another spot in the machine and again, it dropped a Battle Styles ETB.
I contacted...
Maybe stellar Pokemon would have an attack that changes their type for the remainder of the turn (essentially to swing for weakness on the opponent's Pokemon) once per game.