Frillish:
-Night Shade
-Will-o-Wisp
-Recover
-Taunt
Nature: Bold
EVs: 248 HP/216 Def/44 Spe
Item: Eviolite
Ability: Water Absorb
Frillish walls Samurott. Hard. The best Samurott can do to it is Megahorn. Frillish can cripple Samurott with Will-o-Wisp afterwards, and wear it down with Night Shade.