Overlord of the Boilerbilges is a broken bomb in Duskmourn Sealed, though
One way I usually deal with this problem is by saving sellers on eBay that not only post the card, but immediately tell you the condition, or have multiple options of the same cards and list what they think each card condition is
Also, Wild Idea is definitely finding Dramatic Reversal for the inevitable Isochron Scepter infinite mana combo
There are very few White decks which won't benefit from a Restoration Angel
In the middle of the pack, you have things like Standarad or cEDH which are slightly more competitive but are likely the more beginner-friendly competitive options
(Yes, I know, the technical plural of 'Sphinx' is 'Sphinges,' but that word is ridiculous, so we're going with 'Sphinxes.') With Azor, the LawbringerAzor, the Lawbringer and Unesh, Criosphinx SovereignUnesh, Criosphinx Sovereign we can clearly see that folks have elected to make Sharuum and Sphinx Tribal list