Firstly, drawing 10 cards is absolutely nuts, even if you have to discard during Upkeep (And you often do) it's very helpful to restock your hand with helpful cards
This trend has continued through most dangerous card types
"Printable coloring page of a Charmander Pokmon card, authentic TCG layout with attack stats and description boxes, outlined only, no colors" "Outlined illustration of a Bulbasaur Pokmon card, real card template layout, detailed text box and border lines, perfect for coloring" An Eevee on a pokemon card, smiling and surrounded by hearts, pokemon card coloring page
Misty can help with energy acceleration a bit, but sometimes this deck can't keep up with more aggressive decks in the meta
Drifloon is crucial for Psychic-type decks to thrive currently because it is the main way that these strategies have to deal with high-HP Pokmon