yu gi oh charmer deck Aussa the Earth Structure Deck: Spirit Charmers | Yu-Gi-Oh! set in their own worlds could someone explain to me

For example, Atraxa's ability to proliferate enables an infinite turn combo with Magistrate's Scepter and Contagion Engine

So this would be my updated Version of that card to finally fit her into the Lair of Darkness Deck :) Since Lair of Darkness is a Control Deck that usually plays multiple turns, I gave her a way to attach new Materials while simultanously increasing on the Card removal potential for opponents Card while also keeping the effect to search for Trap Cards, since you're most likely using Lilith as a Material to create that card and Lilith's effect is already really strong, so there has to be a good reason to Xys Summon Diabolica using Lilith aswell for getting an Upgrade

Can you talk a bit about your approach to Magics color identities across these decks as it relates to Final Fantasy why these colors for these characters/games

Imperial Seal Vampiric Tutor is a strictly better Imperial Seal, but there's no competition on a list of only sorceries