With the new Advanced Format curbing Nekroz, Shaddolls, Qliphorts, Burning Abyss and Ritual Beasts, players have spent the past few days sorting through the rubble. The near elimination of five of the game's most competitive decks has left duelists wondering what's left. While Dimension of Chaos introduces new competitive themes like Majespecters, and the Master of Pendulum Structure Deck will usher in Pendulum Magicians and the Performage Performapal deck, lots of players are trying to figure out which of the older strategies are still viable. Tellarknights, Igknights, and Infernoids lost very little, but Kozmos is the one deck everyone is talking about.

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Not only did Kozmos lose nothing to the new F&L List, the deck gets powerful new cards in DOCS. Kozmo Strawman and Kozmoll Wickedwitch will both have roles in new Kozmo builds, but the real star of the show is our Spotlight card this week: Kozmo Dark Destroyer. Debuting in the TCGplayer Marketplace as the most widely demanded card in the set, it was the hottest pull over the Sneak Peek weekend and brings a ton of new strengths to Kozmos.

The appeal is easy to see: with 3000 ATK, a powerful destruction effect, and a graveyard trigger that can Special Summon Kozmo Forerunner from your deck, Kozmo Dark Destroyer's an immediate force to be reckoned with. It's the theme's heaviest hitter, it clears monsters so you can score damage, and it makes Kozmo Farmgirl's effect easier to activate.

But the card's biggest strength may lie in a less obvious point: since Dark Destroyer can pop your own monsters too, including itself, you can use it to trigger the Special Summon effect of one of your own Starships and wind up making more attacks than you could pre-DOCS. With three high-ATK Kozmo Psychics, that means Kozmos can now drop opponents from 8000 Life Points to zero in a single turn.

Kozmos seem destined to become one of the biggest decks of the new format, and Kozmo Dark Destroyer makes it happen. Time will tell if they become the new deck to beat, but it certainly wouldn't be a surprise.

-Jason Grabher-Meyer