Mega Evolution ex Rule: When your Mega Evolution Pokmon ex is Knocked Out, your opponent takes 3 Prize cards
Content: 24 Packs, Each Packs contain 6 cards
The downside is that this isn't a super consistent portrayal of competitive Lorcana play
The table below shows the concrete sources that remain in the publishable package
Just look at this short list of what you can get back, from the top of my head: Zulaport Cutthroat Cruel Celebrant Corpse Knight Elas il-Kor, Sadistic Pilgrim Bartolom del Presidio Blood Artist Viscera Seer Carrion Feeder Marionette Apprentice Reassembling Skeleton Putrid Goblin Cathar Commando Cast Raise the Past, sacrifice your entire board in response, and get them all back none the worse for wear
The Fire Crystal certainly seems the best of the bunch in a vacuum, thanks to offering effects that are interesting for a multitude of different strategies