Copying constellation cards like Setessan Champion and Archon of Sun's Grace gives you more of a good thing
The recipe gets real when you mix in artifact sacrifice payoffs like Crime Novelist, Scrap Trawler, Prized Statue, Ichor Wellspring, and Weapons Manufacturing
By the time Revised came around, however, Magic finance was already a concept, albeit a nascent one
Im not sure if a backup plan is even needed, but it can be nice to have
The only condition was that they were part of sets that featured Ravnica, including cards from the original Ravnica block, the Return to Ravnica block, and the (unofficial) Guilds of Ravnica block
Staying ahead of everyone else can be difficult in Commander, however, so Dimir has to play different archetypes