The Galarian Gallerys full-art cards dazzle with Reverse Glitter Holofoils and textured holos, emphasizing V, VSTAR, VMAX, and Radiant Pokmon like Charizard (one per deck)
Yet the only for sure way to get rare cards is by opening a lot of packs, either twice daily with the games free mode and more beyond by spending hourglasses, or with an additional daily pack with the games paid premium mode
If you are new to timed drafts, I recommend narrowing each pick down to a choice between the best card in the pack and the best card in your current colors, as this makes things less overwhelming (this is also just a fine strategy in general)
If you ever grow tired of your Tree-Hugging Vampires, you can always resign from the event, rejoin, or maybe give those "rainbow" lands a whirl
Those two cards may be found together in Grixis-colored builds, such as Grixis Delver in Modern