Amber and Ruby would also pair nicely, for challenge and healing abilities
Brenard, Ginger Sculptor There are some infinite combos worth looking at when this food commander is paired with Eternal Scourge and Ashnod's Altar, but aside from that, the benefit of running Brenard, Ginger Sculptor is that, along with any sacrifice outlet, you can reuse enter the battlefield effects of a creature multiple times
If it is on the battlefield, consider only the characteristics of the face that's up
If your deck would like Altar's Reap, Keskit can do a similar job every turn
So, with the exception of the land choices, the bulk of which are derived from the 2013 Commander deck Mind Seize, these are the cards I've chosen to make up my deck
In sets where there are more than one showcase, like Midnight Hunt, these will only be from one style, such as the Equinox frame