Gontis Aether Heart has a consistent source of energy counters from any artifacts we play, and has probably the best outlet for our energy: an extra turn
Various Color Combinations and Mana Values Artifact Creatures Gearhulks are a creature type last seen in Kaladesh, a set that was released two whole years before Magic: The Gathering Arena, meaning many players who exclusively play on Arena will be unfamiliar with them
The specifics of the cards in your deck is up to you, but if youre struggling for inspiration then sites such as EDHREC can help massively thanks to the huge amount of data they collate and the rule of the masses
1 Momentary Blink
10 Academy Ruins While not an artifact, Academy Ruins helps you keep your artifact cards around for a long time thanks to its ability to return them from your graveyard to the top of your deck
For the second half of the list, I really believe them to be some of the best art in the set, especially compared to their counterparts