They have some lovely synergies: Mewtwo has a super-powerful attack that requires you to dispose of two energy from it every time it's used, but Gardevoir, a third-stage evolution that takes just long enough to find and lay down to be somewhat balanced, has an ability that can be used from the bench, allowing you to attach one more Psychic energy to a Pokmon of your choice
Of note, all of the commanders but Ghoulcaller Gisa were reprinted in Foundations or its Jumpstart product, so I wouldnt be surprised to see lots of Foundations cards crop up here
Swap them in between games for some cards which seemed underwhelming in the first game
If youre attacking their mana / Sagas, then being able to remove Vial is nice
One of these decks that placed in top eight of a recent, large tournament is the Disney Lorcana Emerald and Sapphire combination
Like the Mega Gengar ex card mentioned earlier, this card was always intended to be the sets centerpiece as is shown by the fact that its set is named Wild Blazeafter Mega Charizard exs attack