Ok Davros, Dalek Creator #192 (Magic Doctor Who) Details All prices are the current market price
Artifacts like Urzas Sylex, Nevinyrrals Disk, or Oblivion Stone warp opponents playstyles around the threat of mutually assured destruction and certainly have their place in Commander, and in the case of Sylex, tossing an extra two mana during activation to Call the Gatewatch might be just what you need to break parity following extinction

$79.99/ Card Estimated Turnaround Time: 40 - 50 Business Days* Maximum Insured Value: $1,500 or less Image Quality: Standard $149.00/ Card Estimated Turnaround Time: 20 - 30 Business Days* Maximum Insured Value: $2,500 or less Image Quality: Standard $349.00/ Card Estimated Turnaround Time: 10 - 15 Business Days* Maximum Insured Value: $5,000 or less Image Quality: Premium $599.00/ Card Estimated Turnaround Time: 7 - 10 Business Days* Maximum Insured Value: $10,000 or less Image Quality: Premium $999.00+/ Card Estimated Turnaround Time: 5 - 7 Business Days* Maximum Insured Value: $25,000 or less Image Quality: Premium $12.99/ Card Estimated Turnaround Time: 80 - 90 Business Days* Maximum Insured Value: $2,000 max Image Quality: Standard *Estimated Turnaround Times are estimates only and not guaranteed
you may be one of my favorites, but you have too many nonsensically expensive cards
Of course, unlike real cards, you can do some pretty unusual things with proxies