Pokemon TCG Pocket is about more than just collecting and battling. There are also missions to complete for trainers who choose to accept them. Some of those missions are harder to complete than others since Pokemon keeps them hidden, including one that will land you a very rare Gholdengo emblem once completed.
The Pocket mission is called Gimmighoul Collection, and while it has been known about since the Shining Revelry expansion dropped last month, we may have our first example of someone completing it. Reddit user u/maxmaytho revealed they have completed the challenge, bringing the receipts to prove it, with the mods for the r/PTCGP subreddit giving them a rare pass despite showing off as it's the first time they've seen proof of someone completing the challenge.
You can now own real versions of Pocket's animated immersive rare cards.
As for why the Gimmighoul Collection challenge is so hard to complete, it requires you to collect 99 one-diamed Gimmighoul cards from Shining Revelry. While the card has the most common rarity, getting 99 of any card in Pocket is either going to take a lot of time or cost a lot of money. The proud owner of a new Gholdengo...