Its not a huge theme, but Rydia, Summoner of Mist, Garnet, Princess of Alexandria, and Yuna, Hope of Spira are all great payoffs for playing summons
Anything that enters and makes a chunk of mana is worth a gander, and Im sure anything with Zirda in the CZ or as Companion will be very interested
That said, Lurrus of the Dream-Den pre- Companion errata is considered to be the best MTG card ever solely because it was banned in a format that encapsulated every card in MTG history
These cards all come from Turning Red, which is making its Disney Lorcana debut in this upcoming set
Nissa, Worldsoul Speaker $10.36 Energy isnt in the main Aetherdrift set, but Nissa, Worldsoul Speaker comes in the Living Energy precon and is a good energy generator and energy sink