A collector can offer their card collection to interested buyers through online secondary markets of all kinds, providing basic details such as the approximate card count, the general condition of those cards, and so on
So, we made Be'lakor the Demon lord we've always wanted
Being completely colorless means less than optimal interaction compared to decks that can play Counterspell or Path to Exile, but that's more than made up for by the incredible ramp and overwhelmingly powerful top end of the deck
Narset, Parter of Veils works perfectly
There is an artifact sub-theme to go along with the counters, which also supports the overall counter strategy
Surprisingly, we have a ton of interaction in the deck already due to these coin flip cards, with plenty of creature removal and even some lockdown pieces