I used to think that an Elite Trainer Box could only hold about 400 cards, but then I started sleeving my cards and I was able to fit so many more in
Limits at physical warehouses vary by location

Here are all of the cards in the 'Fantastical Parade Museum 1' Secret Mission: Cacnea #156 (Full Art / One Gold Star) Roserade #157 (Full Art / One Gold Star) Vivillon #158 (Full Art / One Gold Star) Buzzwole #159 (Full Art / One Gold Star) Reshiram #160 (Full Art / One Gold Star) Oricorio #161 (Full Art / One Gold Star) Scorbunny #162 (Full Art / One Gold Star) Aurorus #163 (Full Art / One Gold Star) Cramorant #164 (Full Art / One Gold Star) Minun #165 (Full Art / One Gold Star) Toxel #166 (Full Art / One Gold Star) Galarian Ponyta #167 (Full Art / One Gold Star) Snubbull #168 (Full Art / One Gold Star) Indeedee #169 (Full Art / One Gold Star) Sandshrew #170 (Full Art / One Gold Star) Tyrantrum #171 (Full Art / One Gold Star) Falinks #172 (Full Art / One Gold Star) Alolan Muk #173 (Full Art / One Gold Star) Purrloin #174 (Full Art / One Gold Star) Yveltal #175 (Full Art / One Gold Star) Galarian Obstagoon #176 (Full Art / One Gold Star) Galarian Perrserker #177 (Full Art / One Gold Star) Salamence #178 (Full Art / One Gold Star) Slakoth #179 (Full Art / One Gold Star) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets

The vibrant colors dance on the card, creating a symphony of hues that deliver a mesmerizing look
2022-02-18 Phasing out doesn't cause permanents to leave or re-enter the battlefield, so no "leaves the battlefield" or "enters the battlefield" abilities will trigger, and Kaito's first ability won't trigger again at the end of a turn in which he phased in.
Additionally, the Energy cost for both EX and Mega EX cards was very high