During your End Phase, if you control a Psychic Xyz Monster and this card is in your GY: You can Set this card, but banish it when it leaves the field
By purchasing Scarlet and Violet: Paradox Rift Pokemon TCG Live codes you can possibly acquire the following cards: Froslass ex, Armarouge ex, Garchomp ex, Tsareena ex, Golisipod ex, Mewtwo ex, Tapu Koko ex, Iron Hands ex, Iron Valiant ex, Hoopa ex, Toxtricity ex, Sandy Shocks ex, Houndstone ex, Roaring Moon ex, Aegislash ex, Skeledirge ex, Gholdengo ex, Altaria ex, Maushold ex, Bombirdier ex, Illustration Rare Iron Moth, Illustration Rare Groudon, Illustration Rare Minior, Full Art Iron Hands ex, Full Art Iron Valiant ex, Full Art Roaring Moon ex, Full Art Roark, Full Art Tulip, Special Illustration Rare Garchomp ex, Special Illustration Rare Altaria ex, Special Illustration Rare Professor Turos Scenario, Special Illustration Rare Mela, Gold Counter Catcher, and Gold Luxurious Cape
The move that costs 1 Lightning energy, called Flash Search, allows Mew's trainer to look at the top 3 cards of their deck and place 1 in their hand before returning the other 2 and shuffling the deck
I'm not an expert, but here it goes: Quote Elemental HERO Neos + 2 HERO and/or Neo-Spacian monsters You can Special Summon this card (from your Extra Deck) during either player's Battle Phase by shuffling the above materials from your hand, field, and/or GY into the Deck (you do not use "Polymerization")