Need help finishing my deck list

Hi, I’d really like to play this deck, and might have enough dust if I destroy every legendary I have, but im wondering if there are any cheaper alternatives to the cards im missing, and what cards are a must. Any advice is appreciated!! (This is my first post on this subreddit) I’m missing: Audio amplifier Bolner Hammerbeak Cookie the cook Elemental distruction Lorekeeper Polkelt Doctor Holi’dae Loatheb Reno Jackson Shudder block