Hysteric Force

This Skill can be used if the only monsters with 1400 or more ATK in your Deck are WIND Attribute. [REQUIREMENT] None [EFFECT] 1 face-up "Harpie Lady Sisters" or "Harpie's Pet Dragon" on your field gains ATK equal to [that monster's Level] x 100 until the end of this turn. If there are no Attack Position monsters on your opponent's field, you can change 1 Defense Position monster on your opponent's field to face-up Attack Position.