This mostly seems like a good way to encore a bunch of your stuff back after a board wipe to win the game, and as such I think it's a lot better as a surprise from the 99 than sitting in your command zone
Use Holo Dot to capture that classic sparkle, but add the tactile weight that tells collectors, "This is a premium product." The "Anti-Scalper" Engineering: True Randomization A major issue in previous US promotions is "pack weighing," where scalpers find the "Chase Card" (like Charizard) without opening the pack
"Gyarados ex" ( Mythical Island ) was reprinted as a Shiny Pokmon card in Wisdom of Sea and Sky as an homage to the famous Red Gyarados in Johto's Lake of Rage
Keeping your cards in tip-top condition is paramount if you wish to sell them off or get them graded in the future, because even the smallest of scratches can cause your card to depreciate in value
Growlithe 1st Ed
On the other hand, it will take two turns to knock out the 50HP Pokemon (one turn if Giovanni is used, which most opponents dont in todays decks)