Xyz Lightraze

You can use this Skill if your Extra Deck contains a LIGHT Xyz Monster. 1: At the beginning of the Duel, gain 1500 Life Points. 2: Once per turn, during your Main Phase, you can choose 1 face-up on your field, and it gains 300 ATK until the end of this turn. It gains an additional 500 ATK until the end of the turn if there is a LIGHT Xyz Monster OR a LIGHT monster and an Xyz Monster, on your field and/or in your Graveyard.