All the damaging moves that target all adjacent foes in White 2 are:
Acid, Air Cutter, Blizzard, Bubble, Electroweb, Eruption, Glaciate, Heat Wave, Hyper Voice, Icy Wind, Incinerate, Muddy Water, Powder Snow, Razor Wind, Relic Song, Rock Slide, Struggle Bug, Surf, Swift, Twister and Water Spout.
Non-damaging moves: Captivate, Cotton Spore, Dark Void, Growl, Heal Block, Leer, Poison Gas, Snarl, String Shot, Sweet Scent and Tail Whip.
Hope this answers your question!