Looking at the Aristocrats deck lists, I would divide the card choices into four categories: Cheap resilient threats/two-for-one creatures Sacrifice outlets Payoff cards Interaction/disruption The best way to go about building a deck that fits into the Aristocrats archetype, in my opinion, is identifying the options in each of those categories and then finding the most powerful, synergistic, and powerful 60-card combination
The strategy of the PePe deck was simple: Pendulum Summon as many Level 4 monsters as possible and use that to unleash powerful Xyz monsters that can overwhelm an opponent
Destined Rivals restructures SV9a alongside other Japanese subset content for the international market, meaning the card pool is not identical
Utopia Sprawl One-mana accelerants are quite powerful, and Utopia Sprawl is one of the best
While Dread Return looks like a four-mana reanimation spell, the card's real power is its flashback ability, which allows you to cast it from your graveyard for free by sacrificing three creatures
Saffgor: Even in a deck that clones Equipment, this doesn't do enough