Resurrecting your best threats is an easy win, and there are plenty of legendary vampires to pick from to make sure you can always benefit from the undeath, especially in Commander
Just buy the card you want instead. What makes services like Whatnot so distinct from random auctions on marketplaces like eBay, or even luxury services like Goldins, is the community aspect
The color-intensive mana cost makes Brightglass Gearhulk a little harder to play, but I think thats worthwhile between the card advantage and the body thats awfully hard to deal with in combat thanks to first strike
For instance, Squawkabilly ex PAL 169 refers to its Paldea Evolved version
It's mediocre at best, but might be alright in human/soldier tribal if you have enough historics to trigger it a lot
Cost-Cutting Crew Enthusiastic Mechanaut, Etherium Sculptor, and Foundry Inspector are the ultimate trio when it comes to powering out your artifacts fast