Both its level and attribute work in tandem with Penguin for easy Bahamut Shark access
Its strength is also partly its weakness by leaning so heavily into Team Rockets Pokemon, it unlocks unparalleled strength while foregoing some of the staples other decks take for granted like Fezandipiti ex
Try using Hourglass Of Life (raises all monsters attack on your side of the field by 500 points, no matter what type), Ancient Elf (strong light monster for powering up), Hoshiningen (powers up light monsters on your side of the field by 500 points), Gemini Elf (also a strong light monster), Skelengel (when using its effect, allows you to draw one card from your deck), and Revival Jam (can duplicate itself
The -2 can really help you out in a pinch, if you need to use it, as a 2/3 flyer with lifelink definitely has some big value, and can mesh really nicely with some other vampire deck synergy that's available in this block