Disco Fever

This Skill can be used if you have at least 15 Aqua Type monsters (except WATER Attribute monsters) in your Deck, and all of the Level 7 or higher Effect Monsters in your Deck are Aqua Type monsters. [REQUIREMENT] During the turn you Normal Summoned an Aqua Type Normal Monster (except a WATER Attribute monster). [EFFECT] Choose any number of face-up Aqua-Type monsters (except WATER Attribute monsters) on your field whose Level equals 10 or lower, and those monsters gain 700 ATK until the end of this turn.