Masha

In the laning phase, use Masha's 2nd Skill to close in and Basic Attack to inflict Wounds. Slow the target with the 1st Skill, then continue attacking to trigger the Enhanced Basic Attack, and keep up the pressure!

In teamfights, use Masha's Ultimate to dive a squishy target. Follow with an Enhanced Basic Attack, then 2nd Skill to inflict Wounds on multiple enemies, and AoE them down with repeated Basic Attacks.