Increase this card s Level by 4 during your opponent s turn only. When this card destroys an opponent s monster by battle and sends it to the GY: You can send 1 Level 7 or 8 Dragon monster from your Deck to the GY. You can send 1 card from your hand to the GY, then target 1 Level 7 or 8 Dragon monster in your Graveyard; send this card to the GY, and if you do, Special Summon that monster. You can only use this effect of Dragon Knight of Creation once per turn.