Rite of Oblivion Exiling nonland permanents is very strong even at sorcery speed, and here youll need some sacrifice fodder to make Rite of Oblivion work
There are numerous Sphinxes in Magic that synergize with both of the commanders and are inexpensive, from the alt win-condition of Atemsis, All-Seeing to a potential draw three every turn thanks to Prognostic Sphinx
It computes the exact joint probability that a single draw meets several requirements at the same time, such as "at least 2 lands and at least 1 removal spell" in your opening 7
Then, when it comes to adding a new card to your deck, youll have an easy time deciding which cards to replace
I've written a Bracket 2 deck tech about Joshua, which you can check out here
Also, Dogmeat, Ever Loyal produces a Junk artifact token whenever a creature you control that is enchanted or equipped attacks