Dwarven Thrower
Weapon (warhammer), very rare, requires attunement by a dwarf · 2014 rules, SRD 5.1
+3 attack and damage; thrown (range 20/60); extra 1d8 damage when thrown (2d8 vs giants); returns to your hand after the attack.
Also in the 2024 rules (SRD 5.2).