Question: what exotics does xur sell?
Answer: Vigilance Wing (Exotic pulse rifle) -- 29 Legendary Shards. Starfire Protocol (Exotic Warlock chest armor) -- 23 Legendary Shards. Frost-EE5 (Exotic Hunter leg armor) -- 23 Legendary Shards. Armamentarium (Exotic Titan chest armor) -- 23 Legendary Shards.