Dark Gaiastrike

This Skill can be used if all of the monsters with 1300 or more ATK in your Deck are Dragon Type monsters, and your Deck contains at most 1 LIGHT Attribute Level 6 or higher monster. [REQUIREMENT] During a turn you have Normal Summoned "Illusion Strike Dragon Miragias" or "Steel Strike Dragon Metagias". [EFFECT] Choose 1 DARK Attribute monster with 2500 ATK from your Deck and add it to your hand. Until the end of your next turn, the battle damage inflicted to your opponent by your Level 7 DARK Attribute monsters is halved.