Cavendish #OP10-045 is the engine piece, drawing two and discarding one whenever he attacks, netting a card while also feeding Lucys power boost with the discard
Its own precon deck is pretty decent, but if you want to focus it on artifacts alone, Id argue that it elevates the mostly nonexistent Orzhov artifacts deck in EDH to a real possibility
So while Kytheon and Isamaru dont have effects on the game, they do get on board early and start applying pressure
At zero, we get two 1/1 colorless Soldier tokens, nominally to protect Urza from attackers
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.) The Prima Vista's second ability resolves before the spell that caused it to trigger
House or many other Mardu cardsto sway the odds in your favor