yugioh the calculator deck I recently learned of existence of this card. This is now my favorite card in the entire game. : r/yugioh was released. The Calculator (character) - Yugipedia

Azelf's psychic-type affiliation makes it a formidable opponent in battles, with high-speed stats and powerful moves like Psychic and Extrasensory

What I like about Kelsien, the Plague is that they dont force much direction outside of being one of your better options for a pinger deck

3 Red-Green Gruul Combining the ability to make Treasures in red and cast large creatures in green, gruul Commander decks that use Treasures are meant to get big stuff out early

This covers common, rare, and chase cards like ex, Trainer, Stadium, and SAR cards

deck.): Give up to a total of 2 of your opponent's Leader or Character cards 3000 power during this turn