Generally approaching people at a store or convention hall with "Hey, do you have trades?", "Hey, can I take a look at your binder?", or if you're looking for a specific card "Hey, do you have [specific card] for trade?" should be enough to get started
While Stitchers Supplier and Satyr Wayfinder dont have incredible bodies, they do gum up the board and save you life in ways the Esper deck could not
Every time an opponents artifact goes to the graveyard, Pain Distributor deals one damage to them
Just stick to more linear strategies, and you'll be fine
On the other hand, its probably good that a Commander for such a broad archetype is as generic as possible
It's not a 4/4 creature that swings with this five-mana activation cost or anything