RE: CoL Update! (H) LUXRAY GL LvX (2) (W) Rare Candy Player Reward promo! TRY TO A MAKE AN OFFER FIRST!
My issue with that is that Uxie Lv.X is actually, abnormally, selling for more than Luxray GL Lv.X right now. Check out eBay's completed listings. Surprising, but true. Uxie is hovering around $50, while Luxray is about $42. With Gengar Prime higher than Registeel, that doesn't really work out fair value-wise on any level.
That said, it's not a terrible offer, but I'd be more interested in trading smaller things for the Registeel. Anything else you see?