A Steelswarm deck with some subtleties, if you want to be effective you will have to pay a lots of life points,the gestion of your lp is the key to win.
Then 2 playstyles are offered to you 1: You can play the seal of orichalcos and give a huge atk to the tribute monsters while protecting the low level ones allowing you to make more tributes.
2: ignore the seal and go for the other part of the lswarm archetype in the extra deck.