Yeah, its a lot
Decks contain only 20 cards, energy generates automatically once per turn rather than through cards, you only need three points to win (with prize cards removed), benches allow for only three Pokmon, and card mechanics are simpler than modern Pokmon TCG norms
Pay EEEEEEEE, Exile Gonti's Aether Heart: Take an extra turn after this one
Making Faerie token every turn, this creatures snowbally effect makes it trivial to close games before the life loss becomes problematic
Thanks to the inclusion of energy and trainer cards in the Pokemon TCG and how quickly cards can be acquired through packs compared to Snap's much slower acquisition method, naturally Pokemon Pocket will have more, but it must aim for a fraction of its current 13,000+ cards in the full TCG to remain accessible, balanced, and streamlined
Sol Ring is the most common, of course, and actually nets us mana the turn it comes into play