In that deck, Bloodghast can enable absurd amounts of card draw and ramp if it's combined with my commander and a way to untap her like Thornbite Staff
The Verdict Im not into Magic for the financial aspect (if I were, I wouldnt have spent so much money on cardboard that I absolutely dont intend to resell) so you can always take my opinion on the value aspect with a grain of salt
Given that a lot of the cards in the format are incredibly rare and expensive in paper, it might not be reasonable to purchase a deck outright
I was a firm advocate at the time of getting cards that could serve multiple decks, and were never just for one deck
Some stickers can be played for free, while others (mainly ability and power-and-toughness stickers) may require you to pay a new resource called Tickets
Many other shiny reprints were also teased: Shiny Treasure ex will feature a high number of secret rare cards -- for example, shiny Charizard ex will be card #331/190