Good luck with your sales
Most importantly, it doesnt need to have access to the mana early
Extended-art versions of 28 rares (32.4%) and 11 mythic rares (12.7%) from the Jumpstart product can be found in these slots
1 2 3 "MTG declares fanmade Oathbreaker an official Magic format"
Remember, collection buying is a grind for value, so unlike speculation, where I fully embrace the theory that you don't need to "hit" on every buy to come out ahead, when buying collections, you really can't afford to have many (or any) misses since your profits are generally much lower
This should provide you a good start to building with Wilhelt or upgrading the precon, and you can also see Wilhelt played by my friends over at Manasplaining, and see how he stacks up against Mr House, Tamiyo and Davros: Arabella, Abandoned Doll I couldnt write all of this without bringing up the recently-released Duskmourn set, now could I