The Naya colored sorcery will destroy a multicolored permanent for three like Commanders or all Auras and Equipment for three too, so it's mass removal
Varina has a 4-drop 4/4 body, on curve for the beats
Then, you can spend six mana, a kinda steep but not too terrible price, to make a token copy of any artifact you control, except that token is a 1/1 Soldier creature in addition to its other types
Walk the Plank will be a universally used removal spell, of course, but I dont think it will be as good as many others believe
Given that decks that play Ragavan usually play four copies of him, saving yourself around $140 on just one playset seems like a nice win for Rakdos Midrange players (in a post- So what dropped this little guys price by almost 50%