We did not however touch Vintage or Legacy - perhaps because we did not get into the game until Lorwyn block, perhaps it was a budget thingy - we don't know
Power Conduit will have similar synergies to other Summons that appear in Final Fantasy
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
Chalice of the Void is an excellent card to have against Lurrus decks, which are traditionally stuffed with one-mana spells
The Artifacts While almost every deck would be better with a Sol Ring than without it, lets focus on what youre actually trying to do here: you have three Equipment intended to keep your Commander from being targeted and two combo-ish cards