destined rivals tcgplayer booster box Pokemon TCG: Scarlet & Violet - Display lighting up the battlefield with its Stellar Tera Pokémon ex abilities Destined Rivals | Pokémon Center

It's showtime

This is the original Japanese Expansion Pack, the very first Pokemon Trading Card Game set, published by Media Factory in October 1996. It predates the English Base Set by more than two years and includes the original Charizard, Blastoise, and Venusaur holofoils

Maybe a Mana Crypt

There are around 40 copies of the original printing on TCGplayer, with less than half of that number being in near-mint condition numbers that would look reasonable for a mythic, not an old uncommon

Yes, double strike is one of the best ways to deal commander damage

Include a key contact for vendors to reach out to with questions