Talking about theme deck format, I dont have a single idea about the rest of these decks
Dont see any chance for that Zeraoza if you have to discard all the energies, even if you dont throw all and just 2, only hit 100 and become stuck on the active, it only come to my mind Vikabolt to speed up to energies as the stage 2 pokemon of the deck but most of the time the stage 2 are from the same expansion, so not sure how it gonna work, there is a Raichu on the same expansion that can accelerate energies but you need to be losing by 3, my last idea and I doubt it become true is a deck with Naganadels and Electrode from TUP to move energies to Zeraora but just 1 time...
Mewtwo have a good effect, aside from that not even sure if the deck will be psychic, I would like to see a deck with Rhyperior (Actually Rhydon but pretty much will include Rhyperior too) and Giovanni supporter, Mewtwo giving the chance to use Giovanni more than once, as atacker it really sucks, mostly the face of the deck is the main attackers on these decks but 3 energies for only 70, far away from being ideal, Entei only need the big malasada to be out of Mewtwo 2 hit range
Night Unison was supposed to be Fairy/Dark, Full metal wall to be metal would it be better a theme deck with one of these types, we dont have any of these two from several time ago