YGO Speed Duel Starter Decks - Rules of Play says:

Each Yu-Gi-Oh! TCG Speed Duel Starter Decks: Match of the Millennium & Twisted Nightmares contains 2 fully customizable Decks, 4 brand-new Skill Cards, and 2 Ultra Rare variant cards. Choose your side and relive two of the darkest Duels from the original series! Customers must specify which starter deck pack they wish to receive.