Play 1 Level 4 or lower 'Cubic' monster from your hand. The ATK of the monster you played with this Skill is equal to its original Level x 500. If the monster is destroyed, you lose Life Points equal to its original Level x 500. This Skill can only be used if you begin the Duel with a Deck/Extra Deck that contains no monsters other than 'Cubic' monsters. This Skill can only be used once per turn and twice per Duel.