To be honest, you might be better off running Iron Man in the 99 of a Captain America deck, simply because Cap also cares about equipment with high mana costs, cheats equip costs, and crucially adds white to your color identity
Savage VentmawSavage Ventmaw will obviously get the job done, but I think Shriekwood DevourerShriekwood Devourer, who we talked about from the Jump Scare
Edit: upgraded to 4 stars, app is much better
There are TONS of good looting / cycling options in Red so we've loaded up on the most efficient versions of them
Ultra Magnus, Tactician / Ultra Magnus, Armored Carrier Ultra Magnus, Tactician is a unique commander in the Naya colors because the shard doesnt care about artifacts
Panoptic Mirror Another lonely, never-reprinted card, Panoptic Mirror's only version comes to us courtesy of Darksteel