Final Fantasy was the first MTG set to combine both
Its not difficult to have a 6/6 hexproof or greater
I might swap out the Garruk thats in the deck, Garruk, Primal Hunter, for Garruk Wildspeaker, in order to get some Overrun goodness
Best Orzhov Card Payoffs Level-1 Orzhov payoffs include cards that specifically call out black and/or white cards, things like Deathbringer Liege and Teysa, Orzhov Scion or devotion cards like Athreos, God of Passage, Athreos, Shroud-Veiled, March of the Canonized, and Gray Merchant of Asphodel
The blue Merfolk gives them the best evasion with unblockable but just for +1/+1 counters great for Hydras and stuff though