booster box op01 One Piece Romance Dawn Parallel cards are included in the box as a special bonus One Piece: Romance Dawn Booster

Then I ran stuff like Aristocrats and sacrifice stuff like Mayhem Devil

Why Hogwarts, of course

If you feel that FOMO and buy in during the peak of the hype then you will almost certainly be left out in the cold when it comes to making some profit

If this card is Special Summoned by the effect of an "Eyes" monster OR Normal Summoned while face-up on the field, this card becomes and Effect Monster with this effect: While this card is face-up on the field, the name of face-up Level 8 or higher LIGHT Dragon-Type monsters you control becomes "Blue-Eyes White Dragon" and their original ATK becomes 3000, if lower than 3000.

Players are already having success with it, so for those wishing Cascade decks would ultimately die off, you may be out of luck