all structure decks yugioh Yu-Gi-Oh! Cards Order of The Spellcasters Deck | 3 Super Rares always duel responsibly—because with great power comes great responsibility YuGiOh! - Structure Deck: Fire

You can then easily dump your infinite mana into your X spell or mana sink of choice (Comet Storm, Staff of Domination, etc.) to win the game or lock down the board

Read More: The Best Landfall Cards In Commander 9 Chainer, Nightmare Adept For four mana, Chainer, Nightmare Adept is a Black and Red 3/2 that gives your nontoken Creatures haste until the end of the turn if they enter the battlefield in a way that wasnt being cast from your hand

Galarian Cursola (Fusion Strike) is the other unique way to abuse Big Stock, and that's because it has its Forced Revival attack

(There was a time when there was no maximum limit, which swiftly changed after someone entered a German tournament with a 2000+ card deck.) A tournament deck will always be 40 cards because the fewer cards you have, the more likely you are to draw the ones you want