mtg companion cards rules Using Companions in Commander in 2022 Companions, Explained

Aerith does differ slightly in that she has a legendary subtheme, giving you a way to put those counters on all your other legendary creatures

Note that there are tons and tons of creatures with mana sink abilities that let you pump the creature up, whether that be Walking Ballista, Chameleon Colossus, or dopey creatures like Carnivorous Moss-Beast

Every topdeck could be divine salvation

The Miracle Worker deck works primarily with Aminatou, Veil Piercer, a white, blue, and black commander that lets you both surveil the top two cards of your deck at the start of your upkeep, and then gives all your enchantment cards in your hand miracle, while also reducing their miracle cost by four generic mana

As for the rest of the cards, most are relatively inexpensive

These creatures let you mill dozens of cards per turn, and they get better with untap effects like Unstoppable Plan