Am DM'ing an Eberron campaign with 5th edition rules, and this subject has just become relevant, as the upcomming member of the party, is a Drow from Xen'drix.
This is what I've come up with so far.
Xen'drik Boomerang: Martial weapon for Drows, 1d6 damage (x3), range 20 / 50...