Ashe

"Ashe, the Frost Archer is a ranged marksman, with a potent combination of damage, crowd control and utility. Focusing on control, Ashe dominates her opponents through a constant application of slows through her second ability and basic attacks, which in turn trigger her passive and first ability, making Ashe a deadly opponent in extended trades. Aside from that Ashe also brings potent cross map presence and utility with the global vision provided by her third ability and lockdown potential of her ultimate." - League of Legends Wikia