Mewtwo will appear in five-star raids, as well as appearing as a Mewtwo V card in the expansion
Secret Lair Sleeves feature unique artwork, and only a few codes are being distributed
Ugins Mastery helps with card advantage, too, but helps you get those hard to flip manifests sorted out by way of an attack trigger
Normal Deck 6.3 22 [51414] JP119 Cyber Harpie Lady Effect Monster - 4 Winged Beast 1800 1300 (This card's name is always treated as "Harpie Lady".) Normal Deck 8.2 25 [91626] JP120 Harpie Queen Effect Monster - 4 Winged Beast 1900 1200 This card's name becomes "Harpie Lady" while on the field or in the GY
I believe that particular card eventually got a 9.5 grade from BGS and sold for $15,500, so not throwing it out when he declined the invitation worked out well
However, this feels quite basic, and while no pre-con is going to be massively overpowered out of the box without a few upgrades, it just feels like this deck needs something more to aid its versatility