A Ninja deck is a control-focused strategy built around flipping monsters face-down, disrupting the opponent’s plays, and using quick transformations to maintain field presence. Modern Ninja decks revolve around cards like Ninja Grandmaster Hanzo, which searches key Ninja cards when summoned, and Ninjitsu Art Notebook of Mystery, which helps summon powerful Ninja monsters from the Deck. The deck excels at using monsters such as Mitsu the Insect Ninja and Baku the Beast Ninja to interrupt opponents by flipping monsters face-down or negating effects, while boss monsters like Meizen the Battle Ninja allow Ninjas to attack directly and summon allies during the opponent’s turn. Rather than relying on brute force, Ninja decks win through trickery, constant disruption, and carefully timed interactions that make it difficult for opponents to establish a stable board.