Well, you are probably using Electivire for an Electric immunity, so I'd suggest Jolteon as a replacement.
Jolteon @ Life Orb
4 HP, 252 Special Attack, 252 Speed, Timid
Volt Absorb
Thunderbolt
Shadow Ball
Hidden Power [Grass]
Baton Pass / Charge Beam
A basic Special Sweeper. The last slot is...