I actually brewed this exact kind of deck for Tatsunari in a previous article, so you can read up on that if youd like some inspiration
The second is more short term, based on the fact that UW Flash and GB Delirium currently make up about 50% of the Standard meta, which is a historically high metagame share, and cards like Archangel Avacyn, Spell Queller, and Emrakul, the Promised End have the ability to invalidate entire archetypes all by themselves, especially in our current answer-lite Standard
No crazies trying to buy the cards off people, which I think is a great sign, and you needed a ticket to get into the gift shop, which probably discouraged walk up people/flippers
Both Setiawan and Ejsing, with close to 500 cards between them, are sure there are at least a few theyve never signed