Black has always had its share of powerful cards throughout MTGs history, be it powerful Alpha cards like Dark Ritual and Demonic Tutor or more recent cards like Grief and Archon of Cruelty
More specifically, only on serialized versions of the schematic printings of cards, alternate art printings with artwork that appears to show the schematics of how some of Magics most powerful artifacts are made
This decks theme is none other than Eldrazi
Unfortunately, theres not a ton of ways to tutor up the Beacon, but you do have Expedition Map and Urza's Saga, plus Inventors' Fair to get the Map
One of the best cards at fulfilling this purpose is Zeraora, and its coin flip attack is also energy efficient
Summon flocks of Faeries or buff your creatures with the aid of the Wild Court, the choice is yours in the Wilds of Eldraine Commander decks