Acid Spray- 100% chance to lower the targets Special Defense by 2 stages.
Anchor Shot- 100% chance to trap the target.
Apple Acid- 100% chance to lower the targets Special Defense by 1 stage.
Aura Wheel- 100% chance to raise the users Speed by 1 stage.
Breaking Swipe- 100% chance to lower the targets Attack by 1 stage.
Bulldoze- 100% chance to lower the targets Speed by 1 stage.
Buzzy Buzz- 100% chance to paralyze the target.
Charge Beam- 70% chance to raise the users Special Attack by 1 stage.
Chatter- 100% chance to confuse the target.
Clangorous Soulblaze- 100% chance to raise all of the users stats by 1 stage (except evasion and accuracy).
Crush Claw- 50% chance to lower the targets Defense by 1 stage.
Diamond Storm- 50% chance to raise the users Defense by 2 stages.
Drum Beating- 100% chance to lower the targets Speed by 1 stage.
Dynamic Punch- 100% chance to confuse the target.
Electro Web- 100% chance to lower the targets Speed by 1 stage.
Fake Out- 100% chance to flinch the target.
Fiery Dance- 50% chance to raise the users Special Attack by 1 stage.
Fire Lash- 100% chance to lower the targets Defense by 1 stage.
Flame Charge- 100% chance to raise the users Speed by 1 stage.
Fling- 100% chance to cause an additional effect (depends on the item, there's a list here).
Genesis Supernova- 100% chance to cause Psychic Terrain.
Glaciate- 100% chance to lower the targets Speed by 1 stage.
Grav Apple- 100% chance to lower the targets Defense by 1 stage.
Icy Wind- 100% chance to lower the targets Speed by 1 stage.
Inferno- 100% chance to burn the target.
Jaw Lock- 100% chance to trap the target.
Low Sweep- 100% chance to lower the targets Speed by 1 stage.
Lunge- 100% chance to lower the targets Attack by 1 stage.
Luster Purge- 50% chance to lower the targets Special Defense by 1 stage.
Mist Ball- 50% chance to lower the targets Special Attack by 1 stage.
Mud Shot- 100% chance to lower the targets Speed by 1 stage.
Mud Slap- 100% chance to lower the targets accuracy by 1 stage.
Mystical Fire- 100% chance to lower the targets Special Attack by 1 stage.
Nuzzle- 100% chance to paralyze the target.
Octazooka- 50% chance to lower the targets accuracy by 1 stage.
Poison Fang- 50% chance to badly poison the target.
Power-Up Punch- 100% chance to raise the users Attack by 1 stage.
Razor Shell- 50% chance to lower the targets Defense by 1 stage.
Rock Smash- 50% chance to lower the targets Defense by 1 stage.
Rock Tomb- 100% chance to lower the targets Speed by 1 stage.
Sacred Fire- 50% chance to burn the target.
Scale Shot- 100% chance to raise the users Speed and lower the users Defense.
Sizzly Slide- 100% chance to burn the target.
Skitter Smack- 100% chance to lower the targets Special Attack.
Snarl- 100% chance to lower the targets Special Attack.
Spirit Break- 100% chance to lower the targets Attack.
Spirit Shackle- 100% chance to trap the target.
Stoked Sparksurfer- 100% chance to paralyze the target.
Struggle Bug- 100% chance to lower the targets Special Attack by 1 stage.
Throat Chop- 100% chance to prevent the target from using sound based moves.
Trop Kick- 100% chance to lower the targets Attack by 1 stage.
Zap Cannon- 100% chance to paralyze the target.
Source
Hope this helps! :)