If your opponent controls a monster that was Special Summoned from the Extra Deck, and you do not, you can also use up to 6 monsters in your Deck as Fusion Materials
His friend, Sect Injuin, often expressed admiration for the goggles, and he idolized Yusei, eventually asking to call him "bro." Yusei allowed him to do so, and later gave Sect the goggles after Sect won his first Turbo Duel
You can change it to Default, Pro, or Simple
That slows the game, especially in formats with frequent shuffles
Cannot be destroyed by your opponent's card effects
Here are potential sources of deck inspirations: Current CCG Meta: Considering that Master Duel uses current card game rules, it may help to acquire a build from existing decks that are currently used in the card games current meta