That said, there are a few common synergies worth discussing
Mewtwo Ex has an ideal combination of high attack power, speed, and energy consistency
Boros is notoriously underpowered when it comes to higher levels of play, Winota aside, and to dismiss a card just because it cant be cast on an opponents turn when it does so much seems, to me, emblematic of a broader issue
Its always nice to see they still use the same style of Happy Meal boxes after all these years
Also, being a Water-type has its benefits, since it can take advantage of Iridas healing and every Energy acceleration option
Glassblowers Puzzleknot synergizes with cards that use energy, cards that care about the top of your library, cards that reward you for artifacts, and cards that, when drawn at the right times or in the right combinations, have a disproportionately large impact