Mechanically theres a food/token theme present, which is the archetype of this collection
The sessions in the Ravensburger Gaming Area run all three days and reward the Sulley The New Boss Seasonal Promo card
We do know that these cards are, however, quite rare - perhaps comparable to Enchanted Rares
This would represent her speed in-game and serve as a fun nod to Lightning (bolt). It may not seem very powerful, but perhaps she can be flickered or has an ability to flicker herself
Every pack contains a spread of up to six rare, up to six uncommons, and up to five common cards, along with a single full-art Land card
That ID could change if they want it to be part of the Promo Set 3 for instance, as its no longer part of the Challenge series