The main idea behind Universes Beyond is to bring fans of other franchises and IPs into Magic
That means it might not net you that much mana and you might not have much to spend it on when it does, and, as mentioned, two mana is an enormous amount to hold up
Kappa Cannoneer is a good top-end if your deck generates lots of artifact tokens but lacks a payoff for them
Even when players have 5-6 Lands already on the Battlefield, hoping to draw through Esper Sentinel might be a stretch
The following turn, if Luxray is not Knocked Out, you will first move the Energy off Luxray to Garchomp on the bench via Bronzongs Pokmon Power, retreat for Garchomp (or TGI Pok Turn), Level Up to Garchomp C LV
Also noted in Centro Leaks A2a reporting was that this will be a secondary pack release (similar to the Mew-themed Mythical Island booster packs that were released in December), with the next full new set reportedly coming sometime in April