Question: what exotics can xur sell?
Answer: Sunshot, an Exotic Energy hand cannon, for 29 legendary shards.
Liar's Handshake, Exotic Hunter gauntlets, for 23 legendary shards. MOB: 18. RES: 10. ... 
Eternal Warrior, an Exotic Titan helmet, for 23 legendary shards. MOB: 16. RES: 9. ... 
Skull of Dire Ahamkara, an Exotic Warlock helmet, for 23 legendary shards. MOB: 7.