I think since the Commander product came into existence a lot of niche things have come to pass that wouldnt have if it had to go through Standard legal set
Tierlist No Rank Grade it yourself About Rakdos, Lord of Riots Rakdos, Lord of Riots, Legendary creature demon, designed by Vincent Proce first released in Oct, 2012 in the set Return to Ravnica and was printed exactly in 8 different ways
General prototype , unreleased 45 3498 January 27, 2026 Cards Discovered / Revisited General show-off , niche 14 997 December 29, 2022 Cards youre unsure actually exist
If you purchase a box of Set, Draft, or Collector Boosters, you could get the Buy-a-Box promo Mishra's Foundry while supplies last
The Pokmon market is warming back up, and there are several cards in the sub-$100 range that are profitable to buy and grade right now