Particularly good for this purpose are the so-called "deck build" packs , which mostly contain cards for 3 strategies, and depending on what you draw from them, you can start building one of those decks
By sending Neshaddoll Genius to the graveyard by a card effect, you can target an effect monster on the field, and make it so that neither player can activate that cards effect on the field for the rest of the turn For maximum power, use a card like El Shaddoll Fusion to send this card to your graveyard during your opponents turn, negating their monster effects before they even get a chance to use them
Obviously, this price is absolutely insane, and we can only hope that it comes down over time
For example, if Ral, Leyline Prodigy enters the battlefield during combat, there will be an opportunity for your opponent to remove him before you can activate one of his abilities
Check out our article on the first Resell Calendar Raffle for Retail