In terms of reprint value, Sword of Truth and Justice is doing a lot of the heavy lifting at $35, but even then Umezawa's Jitte is around $15
Emerald ink cards are much more flexible, which in this case provides the necessary means to gather Lore during a game
Do as many drafts as you can afford first, pick all the rares and mythic rares you come across, and then open your packs
Drafting Drafting is arguably the best way to earn the cards you need from a set, but this is only applicable for sets that are actively in the draft rotation
Unexpected Windfall earns its place by drawing the player two cards and generating two treasure tokens (which tap and sacrifice themselves to generate one mana of any color each)
If one or more creature tokens would be created under your control, those tokens plus a 1/1 white Soldier creature token are created instead