There are plenty of new hit decks to explore, from the return of "ex" Pokmon to a surprising flood of single-prize decks, and even a few that fuse older classics with new tools to great effect
Shimmering Skies features lots of characters and settings from Wreck-It Ralph, making their debut in Disney Lorcana
Its also just really cool that he can fuel himself with his second attack ability
(Prevent all damage that would be dealt to attacking creatures with hope.) All damage dealt to attacking creatures with hope is prevented, not just combat damage
On top of hitting all lands it also wipes out all artifacts, creatures, lands, graveyards, and hands
The fact that you can play the exiled cards as long as you control Lightning is a nice bonus, but the lack of Haste here really kills the card, in my opinion