Reds access to ramp is sparse at worst and conditional at best, so the Prospectors relatively stipulation-free activation means its the superior choice for ramp in any goblins deck
However, thats changed a lot over the last year, when there has been a huge surge of energy cards, especially in Commander
Either way, youll want to fill your deck with the priciest equipment you can find: an exercise that finally gives a reason to dust off those overcosted pack-filler equipment from years gone by
Sadly, Dredge is not one of those decks a land that doesnt produce red mana isnt acceptable
With two cheap commanders in the Command Zone, you get to use Fierce Guardianship and Deflecting Swat for free, likely much sooner than your opponents, and much like Rograkh, you can offer up Silas to any cards that require a sacrifice to reap those rewards