Unlike the start decks that are made for new players trial decks are pre constructed decks tailored for advance buddyfighters and thus contain cards that offer more complex gameplay and strategies the x booster pack vol 2 quotchaos control crisisquot booster that launches on the same day as the trial decks offers many cards that have high synergy with darkness dragon world cards in this deck quotthe chaosquot flag is used by wisdom a new character in the animation series quotthe chaos