I'm not adding a lot of cards this time due to budget reasons, but the cuts follow the same logic as the previous two themes Here's a list of recommendations that fit the Equipment theme and/or are generally good cards for the deck
Dragon Shields are incredibly durableperhaps the most durable sleeve on the market
However, whenever you play a Blue or Black spell, you can have an opponent exile the top card of their library
Energy Counters Plasma weapons, power armor, and Vault-Tec security systems don't run on hope and charming smiles
Maybe there is some new delivery mechanism invented for content that doesnt require the card to be legal in Standard for two years
Thankfully, Mystic's Elf creature type makes it a key player in fan-favorite Elf decks that flood the board with Elves while producing increasingly ridiculous amounts of mana