Author: ComplexityCardGaming

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Hey there Yu-Gi-Oh! community! Raphaël Neven and Joshua Oosters from Complexity Card Gaming here, to bring you an article on a very fun subject; A sleeper deck in our current format, Kozmo Artifact Demise. If you don’t know who we are, we are both Dutch National Champions with Joshua being the current National Champion. Sleeper decks Before we get into the Kozmo Artifact Demise deck, we’d first like to quickly introduce the concept of sleeper decks and why you would want to play them. A sleeper deck could be defined as a deck that can compete in the current metagame, but…

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