A82a - I can find:

Scepter of Bane (4+, Dragon 383)
Rose Scythe of Chauntea (4+, Dragon 412)
Serpentine Knife of Zannad (5+, Book of Vile Darkness)
Weapon of Evil Undone (10+, AV2)

and for +3 weapons and above:
Bradaman's Weapon (13+, AV2)
Moonbow (13+, Dragon 386)
Avandra's Whisper (17+, AV)
Lion's Heart Hammer (17+, AV2)
Blade of Bahamut (19+, AV)
Moradin's Weapon (19+, AV)
Holy Avenger (25+, PHB)



A82b - it looks like it's from the Dragon Magazine Annual? Mordenkainen's Emporium has a "Weapon of Disruption" which is a different enchantment, despite the similar name.