so far of the cards they revealed don’t look the strongest dialga ex has an attack that cost 4 energy and only does 100 damage compared to mewtwo having an attack of 150 for the same cost and ways to get energy fast through gardevoir to make up for the disadvantage of discarding 2 energy which unless they release somehow…
I mean in the original pmd rescue team games the main problem that arises is an asteroid is coming to hurt the mystery dungeon world and in the Pokemon ORAS games the meteor is stopped by Rayquaza and Zinnia mentions that she didn't want the asteroid sent to another world so maybe this asteroid in a different reality…
(Spoiler)