ff commander decks mtg Amazon.com: Magic: the Gathering Collector's Edition Final Fantasy VI Commander Deck

Sigarda's natural hexproof gives her an advantage to most, if not all, other Voltron commanders

Modal cards like the command cycles and charms are often all stars, offering removal, draw/card advantage and on occasion ramp (like the new Prismari Command)

Speaking of artifacts, you might want to add some to your deck that protect the Stone or increase its consistency

Yes, Necropolis Regent has a huge draw here with the sheer volume of counters that could be produced, but it requires a lot of things to go right like having an unblocked board and some way to meet the three Black requirement (which proves challenging in multicolored decks)