First off, why? I have never used broken to describe a deck on my daily uploads: but what other deck can we call broken if not this one?!
Konami have done the outstanding move of giving an archetype that's already broken - even more disgustingly amazing support. Mekk-Knight Orcust Girsu is by far the most fantastic Orcust card. It can work as an combo starter, and extender - and instantly allows you to start up your combo's with a token on board. The list I've made is a rather simple one - focusing on getting the Striker Orcust endboard as fast as possible: which happens nine times out of ten. But there are some insane combos you can make - seeing as though it is both a Mekk-Knight card and becomes a level 4 tuner, which enables ib like never before.
An optimal engine you might want to play is also Scrap. The main reason I cut it was primarily because of Girsu's effect - doing the same if not more, and with the fact that Golem acted as a garnet which somehow I opened way too much! Still the ammount of monsters you normal summon reduces, but if you want to add it I'd recommend cutting the Zerovoros in extra, Mathematician and Phantazmay in main.
An end board you might want to make is most likely Longirsu, Dingirsu, Cresendo and Babel with 1-2 orcust monsters in grave and a Gizmek orochi. With the new support, this practically isnt a challenge - so open well and your opponent might as well scoop. The second board you could make is I:P, babel and some monsters in grave. This instantly opens a way to nuke your opponents board with Zerovoros, and will usually end to passing back to you, and you getting 4K beatstick and your opponent being wide open. Which if you open another combo opener, could lead to a potential OTK.
Overall: this deck deserves no lower than 9.8/10. Orcust are one of the most meta-defying engines out there, making top cut almost every YCS and Regional there is. With this new support: Konami have shown that this deck will not die, and continue to crush people one-by-one like bugs. As much as we hate this deck: It is one - if not -
the best deck in the meta. There is no deck at this moment that can rise up to it, and I'm not surprised why. It has yet to have its fall from grace - despite everyone wanting it to. Can't wait to see this deck rise up to Tier 0 alongside Dragon Rulers and TeleDAD. Konami have made a big mistake...