deck box card sleeves Cardware XL Protector Tuck Sleeve, 5Pk (for Mafia Large Decks) Square Design with Secure Grimoire Deck Box Brand of

choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated

You can get it here: Collectors from Canada can get it here: Collectors from UK can get it here: Collectors from Europe can get it here: Release date: September 1, 2023

This and Gorilla Shaman are specifically here to slow that crap down

The deck breakdown is going to be a bit more complicated, as the list went through many changes (shoutouts to the BE players in the DLM Discord for helping me)

It has no once-per-turn clause and can negate cards that target opposing cards as well as the player's, so this is actually quite versatile

There's no cloud upload, no login, and no third-party access