Choice Scarf Raichu
EVs: 252 SpA, 252 Spe, 4HP/Att
Volt Switch is the main move, using for scouting and momentum. Hits Water and Flying types.
Knock Off removes the foe items.
Focus Blast is used to hit Rock, Steel, Dark, Ice and Normal types.
Hidden Power Ice is useful for hitting Grass, Ground and Dragon types. Grass Knot can be used for hitting Water types immune to Electric as well as Ground and Rock types. Volt Tackle is another STAB option that hits hard but has major recoil damage.