pokemon red and blue booster box Journey Together – Reds Collectibles Mega Evolution—Pitch Black Collection Blastoise EX Box, Red/Blue

Assuming you don't build in any cards from the booster packs, you'll mostly be relying on evolving Hop's Rookidee line and evolving Shelmet while collecting Energies before being able to cause any decent damage

Given that Sapphire already has a good array of 1 ink cost items that can be played on the first turn, any partner ink color can easily make sure Belle - Apprentice Inventor can hit the board way earlier than it should

Creatures with enters abilities can turn that into a much bigger swing in board presence, especially with creatures that have removal-based enters abilities or that create tokens when they enter

Investing one mana into an eventual 9/7 that punishes an opponent for interacting with your permanents seems pretty reasonable to me

Versatile sorcery with a reasonable mana cost of 3U, suitable for various deck types

If heads, discard an Energy attached to your opponents Active Pokmon