Eudora

In teamfights, use Eudora's 1st Skill to apply Superconductor to enemy heroes, then cast 2nd Skill on the right target for an AOE stun, and follow up with her Ultimate for a massive burst to the stunned heroes. Finally, use her 1st Skill again to finish off the enemy.

During the laning phase, start with Eudora's 2nd Skill to stun the enemy hero and apply Superconductor, then follow with her Ultimate, and center it over the enemy for massive damage. Finish with her 1st Skill to link with the enemy and finish them off.