mtg snow deck commander DeckDwell Box 100 Card Holder with Display Window Blue Jorn, God of Winter Snow

They're so rare it's not guaranteed you'll pull one from a whole booster box of 288 cards

So if you want to build a collection thatll gain value over time, here are some options for you

The original Commands were monocolor cards with very general abilities, allowing them to be included in most decks of that color

Best Black Token Commanders (Marrow-Gnawer and Ghoulcaller Gisa) Theres not a lot to say about mono-black token decks black simply has the most hoops to jump through to make a token strategy viable in Commander due to limited token support cards, few ways to give tokens haste, and usually requiring effects that tap your commander to mass produce tokens, adding an extra turn to the buildup process

In addition to Peter, another low cost, high power card is Kit Cloudkicker Tough Guy (shown below in its promo form)

The first copy is generally quite good for you but drawing two is a huge problem