You dont end up losing one of the creatures for good, and you also become the monarch, giving you some extra card draw
The original mention of a Final Fantasy holiday product has since been removed from any official Wizards of the Coast pages, but this new product could easily be exactly that
I think they could stand to be just the slightest bit more cohesively constructed, but whether you're new to Lorcana or just excited about the expansion, these are exactly what you want a starter deck to be.
(If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) : Monstrosity X, where X is the number of counters among creatures you control
I was sent one of the playmats, but havent played with the sleeves or deck boxes for this set, so I cant comment on if the quality has changed