Zhou Yu, Chief Commander is one of a dozen eligible commanders with Commander in the card name, but I can't recommend you go for this gimmick, even in Bracket 1
Theres actually very little in terms of new cards in Shiny Treasure ex if youve kept up with the releases, Japanese or otherwise, for the Pokemon TCG throughout 2023, youll no doubt recognise plenty of these cards
Adeluxe pin featuring the emblem of Team Mystic
Foil Etched Select cards and variants can also appear in the foil-etched treatment exclusive to Collector Boosters, including the 8 mythic rare commanders from regular Commander decks as well as 12 rares and 10 mythic rares from Modern Horizons 3
These cards may look similar to two other cards, and that's because they are joke versions of Cold Wave and The Forceful Sentry respectively, which are two banned Spell cards from the very early days of the game