When Dockside Extortionist enters the battlefield, it triggers, creating at least seven Treasure tokens.
Cast Mechanized Production by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) while keeping at least seven Treasures on the battlefield, attaching it to a Treasure you control.
At the beginning of your next upkeep, Mechanized Production triggers, creating a token copy of the artifact it is attached to and causing you to win the game.
Results
Win the game at the beginning of your next upkeep.