Persistent Petitioners Mill is Magic s Marmite: you either love it or hate it
So long as you sacrifice a land while casting Constant Mists, you get to put the spell back into your hand after it resolves
Potential Interaction Another thing to consider is the not-so-different I want card A to deal with my opponents card B. If thats the case, put that card in your sideboard
Masters of multiplayer understand that you want multiple ways to sacrifice creatures, in case an opponent tries to steal your commander or lock it out of play with a card like Lignify
Combining lifegain and reanimation into a single theme is fun, but like most monocolor commander shes held back by a lack of options in her colors
However, white this time has very strong removal, and I judged that there is no need to go out of your way to use such roundabout removal