mew two pokemon card Mewtwo 052 SV Promo Case Secret Rare Card Type Mewtwo 59 - SV07 Stellar

Gardevoir ex allows for an infinite amount of Psychic-type Energy acceleration from the Discard Pile with its Psychic Embrace Ability

The Mewtwo pack art may ring a bell, or perhaps the popular shiny Pikachu art

There is, of course, the chance that the packs could contain a valuable card, but its not high, and no better than just buying the packs themselves for their actual price

If you have a friend (or an internet stranger who's generous enough) who attended multiple events, they might let you have their extra codes

White has this small theme of enchantment and equipment/artifacts matter with commanders like Alela, Artful Provocateur, so Forge Anew can fit there as well