Numerically, this usually works out to be between 6-10 cards for me, especially if my commander has black in their color identity, and this seems to be a fairly common range for many other players as well
Build your command zone around powerful new legends, synergize your strategy with cutting-edge artifacts, and reshape entire planets to claim victory in the vast expanse of space
Not only that, but we also want to lean into the synergy of Allies for our non-Convoke spells, meaning we ideally want Allies that trigger on Allies
It's even more helpful if more than one opponent has a ramping strategy
Eshki gets out of hand quickly, and provides a quick clock in the command zone provided you build your deck with ways to pile +1/+1 counters onto her
Just make sure to run ones like Time Warp and Temporal Manipulation that dont exile themselves as they resolve