For those in favor, Spider-Punk is the ultimate offensive tool
Under the "old" rules, you did not die until the end of the current phase (regardless of your life total), so you could Contract all day long even at zero life and simply cast a game-ending Drain Life to decimate your opponent
As far as going Naya, I see the thought process and I agree that the deck doesn't really need to be WURBG, but Galerider Sliver and Diffusion Sliver are pretty helpful so I'm not sure Snap157 on What are some affordable improvements 4 years ago for a sliver build I tend to focus on Venom Sliver plus Striking Sliver, with Sinew Sliver and Predatory Sliver being the core of the deck
Final Fantasy X Theres also a strong showing for FFX in the set, with Counter Blitz as the third Commander deck option, represented by Tidus and Yuna
While its on the battlefield, your opponents artifacts and enchantments cost two more mana to cast