To put it more simply, stealing your opponent's cards isn't a strategy that affords your deck any kind of synergy
At common, any artifact or artifact-synergy piece gains extra mileage in white-blue
You also add the massively valuable prowess into a build that's likely to be heavy with the sorts of spells that'll trigger it
Nicol Bolas, the Deceiver is the only one I'd leave out, as is usually the case with Planeswalker Deck cards
If youre right handed, its smart to turn your cards upside down, and then fan out like your cards like normal
There is a battle where Volmav/Folmarv participates, appearing alongside Rofel/Loffrey and Kietian/Cletienne in a battle against you near the end of the game, but the battle immeditely ends once any of three are put in critical condition, with it being able to potentially end before either of you two even make a single attack on each other