Cheren -> Chispin
"Search your deck for up to 2 Basic Energy cards of different types, reveal them, and put 1 of them into your hand. Attach the other card to 1 of your Pokémon. Then, shuffle your deck."
Crystal Wall -> Sparkling Crystal (deck's Ace Spec)
"Attacks of the Terastal Pokémon this card is attached to cost 1 Energy less of any type."
The rest of the deck is as is