Chalice of the Void is an excellent card to have against Lurrus decks, which are traditionally stuffed with one-mana spells
Power Conduit will have similar synergies to other Summons that appear in Final Fantasy
With a shift of three, Kida can get into the game early thanks to both her Atlantean and Royal Warrior variations
You dont care much if an elf gets removed or the board gets swept because it will still count towards your commanders stats
You can use it to save your Commander at instant speed and a three cost to equip later isn't that much of a tax like these normally have
Meanwhile, Oblivion Ring gives us a main deck answer to non-creatures like planeswalkers, artifacts, and enchantments, and works well with Flickerwisp, since we can exile something in the early game and then, if our opponent plays a bigger threat later, reset the target by exiling it and returning it to the battlefield