Remember, rules make the game fun, and knowing which cards are in the pool impacts your strategy
Examples of some items I used: video games, fishing license, hard candy, weird jewelry, pictures, cat toys, crochet hook, books, art supplies, love letter, pokemon cards
The 3 Checks to guarantee the deck will be Shadowless(without a Gold Strip) Box must have 6 Energy symbols on back as well as 1999 date twice
The uncommon from the same set is a two mana 2/2 with flash that makes your flash stuff cost one fewer generic mana and cannot be countered, so this is a great tag team with your leader Nymris, since you can drop this turn two, and then Nymris turn 4 without being countered
There are also plenty of ways to deal damage to your own creatures, either with direct damage spells, or cards like Forerunner of the Empire
Although this three-month window is a fairly long one, it's worth noting that players were only able to obtain one copy of the card, meaning its population is likely incredibly low when compared to some of the other rare Pokemon TCG Pocket promo cards