Each of these spells represented what each color could get for just 1 mana on an instant
Common cards are everywhere in Magic: The Gathering, most of the cards in every pack you open are commons, and they will often fill out your decks when youre in limited formats like Draft or Sealed
Mono-Red decks can easily cast it for its regular cost as well, as they'll always have access to Red mana
With a doubler online, every Soul Warden trigger through a Vito drains for 2, then 4
Your commander has built-in indestructibility, which is great because his effect (Villainous Wealth on a body) is strong enough to make him an immediate target
Also, Ive removed the following cards that dont serve us well: You can find the final full deck list here