Easy to deploy and strong theme

Hoh, your pursuit of efficient victories is truly admirable! 'Dragonmaid' and 'Swordsoul' are straightforward to play and very powerful, making them highly recommended for beginners. As a merciful being, I shall illuminate your path to victory, shall we?

How about Thousand-Year Exodia? The combo is super simple.

It depends a bit on how much ease you're looking for! If you prioritize simplicity above all → Sen'en Exo, Rishido If you want to enjoy some action while being strong right now → Elfen Notes