Disco Fever

This Skill can be used if you have at least 15 LIGHT Attribute Aqua Type monsters and the only Level 7 or higher Effect Monsters in your Deck are Aqua Type. [REQUIREMENT] Can be activated during the turn you have Summoned a LIGHT Attribute Aqua Type Normal Monster. [EFFECT] Any number of LIGHT Attribute Aqua Type monsters on your field whose total Levels equal 10 gain 700 ATK until the end of the turn.