Control decks want to play very few actual win conditions in their deckand having them be indestructible means you have to worry far less about them dying to a stray Abrade and making your ability to turn the corner and push toward winning that much harder
TLDR The minimum package for most Commander decks is 23 slots : one land-based hit plus one flexible piece, and optionally one repeatable tool
While rolling dice may be harder than paying X, dont discount As Luck Would Have It, as since rolling D20s is now common, this card can be incredibly powerful
Confusion in the RanksConfusion in the Ranks turbocharges the chaos, but will still be to our advantage, since we can steal an enchantment whenever we cast a PacifismPacifism, while our own spell will do its thing no matter who ends up controlling it
The abilities may also be stacked in the other order, of course.
The real kicker has to be casting the second one in a scry as Squadron Hawk situation