Purely self-mill commanders deserve their own time to shine
In other TCG-related news, check out the Charizard ex Special Collection
Thats not to say theres no more ground for the deck to explore, of course
While a 5/5 indestructible beater sounds like a reasonable threat at first glance, considering that Historic will likely heavily feature Teferi, Hero of Dominaria, Teferi, Time Raveler, and Oko, Thief of Crownsall of which incidentally answer a 5/5 indestructible Darksteel ReactorI'm not sure the plan will actually be competitive
Top 5 White Common/Uncommons: Coordinated Maneuver A pile-on with enchantment removal as an option
(To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.) Agent Frank Horrigan has indestructible as long as it attacked this turn