I have no idea why we didn't choose to make him red-white
There are a couple things to keep in mind for this, though, like what the game is looking for to import, how to get import lists from different sites, and how to work with the deck once its imported
If you want to kill through combat damage, you can turn Volrath into either Cultivator of Blades or Wild Beastmaster and give all your other creatures +7/+7 when attacking, or go for an infect kill by turning Volrath into Jodah's Avenger, using its ability to give him double strike, but before the ability resolves turn into Blighted Agent to attack as a 6/4 unblockable infect double strike one-shot
On the other hand, Ad Nauseam was formerly a Modern staple, though power creep and the banning of Simian Spirit Guidewhich offered Ad Nauseam the fast mana it needed to actually win the gamemore or less killed the combo in the format
Meanwhile, the Magic community seems to want the historical aspects