Seven Star Sky Style Battojutsu - "Hagun"

Target 1 face-up monster you control; equip 1 Level 7 monster with the same Type, but a different name, from your hand or Deck to it as an Equip Spell that gives it 700 ATK, but return that Equip Card to the hand during the End Phase. When an opponent's Level/Rank 8 or higher monster is destroyed by battle while this card is in your GY: You can add this card to your hand. You can only activate 1 "Seven Star Sky Style Battojutsu - "Hagun"" per turn.