Balthor the Defiled, Karador, Ghost Chieftain, and Chainer, Nightmare Adept are the best commanders that fit into these decks
But raw combo detection is not enough a 5-piece combo that requires a specific board state is very different from a 2-card instant win
Now that he's sitting comfortably on a foundation of wealth with his criminal enterprise fully rebuilt, he has set his sights on his next goal: joining the ranks of Ravnica's monied elites
You choose those targets when the ability goes on the stack
Having flash and a reasonable cost of three makes this a pretty solid aristocrats enabler that you can drop in a pinch to get some value off someone else removing some of your creatures as well
Putting mana rocks in your deck isnt difficult, though, and thats before we talk about things like Basalt Monolith