If my experience losing out on the PS5 several times over ~2 years via Amazons invitation system is any indication, my advice would be requesting an invitation for all Lorcana products that you might want to purchase, as it will presumably increase your chances of success
Amber/Emerald, on the other hand, doesnt require particular combos in order to be used effectively, as most cards work well on their own
It only costs four mana, so it can be played early, which is great as you want to play Door of Destinies as quickly as possible so it can start loading up counters
Whether youre chasing Buzz, Merida, Alien, Frozone, or that one card you insist is not for trade five seconds after pulling it, go in prepared
Chernabog, Evildoer It's hard not to be jazzed about a 10-cost villain that portrays Disney's version of the devil