janna

[Passive] Coming Storm : Janna gains 6/8/10 MS each second outside combat for more than 5 seconds, maxing out at 60/80/100 MS. She loses 3/4/5 MS each second within combat. Additionally, she gains AP equal to 50% of her bonus MS.

[Q] Air Slash : Janna launches an extremely fast moving blade of wind, which deals 50/90/130/170/210 (+0.5 AP) magical damage to all enemies it hits. Air Slash's cooldown is reduced by 1 second for each additional enemy it hits.

[W] Galeforce : Passive - When Janna scores a champion kill or assist, she gains 40/55/70/85/100 bonus MS from Coming Storm, and Coming Storm's bonus MS cannot be reduced for 3 seconds.
Active : Janna unleashes a tornado which slowly moves toward target location, its speed increasing based on Janna's bonus MS. The tornado deals 25/30/35/40/45 (+0.1 AP) magic damage per second and knocks up enemies who stay in range for 3 seconds(can knock up multiple times, knock up duration 1 second). The tornado can be redirected an unlimited amount of times while active.

[E] Turbulent Wind :

[R] Sonic Boom : Janna dashes to target location, untargetable during the dash and dealing 100/175/250 (+0.8 AP) magical damage to enemies she passes through. After a 2 second delay, the damage is echoed to enemies in the same area, and they are also stunned for 1.5 seconds.