Of course you want to include great equipment like Colossus Hammer, Blackblade Reforged, and the infamous swords, but dont forget some creatures that synergize with artifact and equipment strategies too
For some, its a strict sub-$30 challenge, for others, its a more flexible $100 ceiling
the first is composed of the pre- Dark Saviors "Vampires", which share a common pattern in milling the opponent's deck, by declaring a card type and having the opponent send 1 card of that type from their deck to the GY (inspired the first "Vampire" monster, "Vampire Lord"), with an added focus on the Xyz Summon of Rank 5 DARK Xyz monsters, with "Crimson Knight Vampire Bram" as their boss monster
However, to be honest, there is a fine line between whether it will be a decisive blow or not
After all, youre not guaranteed to get the creature side of the card, so its not a pure value mechanic like adventure is