Constructs generally want other constructs so here are some solid ways to construct constructs, with both commanders and non-commanders: Urza, Chief Artificer, Mishra, Eminent One, Vihaan, Goldwaker, Dollhouse of Horrors, Digsite Engineer, and Simulacrum Synthesizer
This ran rampant when Arcum's Astrolabe was still in Modern, but its still a solid playable that asks you to add some snow basics to your mana base
It hits you too but you've built around it to just cast things on your turn
While its exiled, its owner may cast it for 2 rather than its mana cost.) Whenever one or more creatures you control leave the battlefield without dying, you get an experience counter
This immediate access to your commander and Voltron strategy often presents an uphill battle for your opponents from the very beginning of a game