Caitlyn the Sheirff of Piltover - Rework idea

Passive - Take Aim - Base ATK SPD is .50 and cannot gain ATK SPD, all ATK SPD is converted to crit DMG.

Q - Crippling Shot - Fire a skill shot in a straight line that will penetrate all enemies dealing 50/100/150/200/250 physical DMG and slowing enemies movement SPD caught in its path by 25% for 1/1.5/2/2.5/3 seconds. This shot can crit. CD - 10/9/8/7/6 seconds Mana - 100/90/80/70/60 AD ratio - 0.7/0.9/1.1/1.3/1.5

W - Tasty Trap - Caitlyn can have a max of 2/2/3/3/4 traps on the ground and can hold a max of 2 charges on her person. Enemies near the traps are slowed by 10% if an enemy steps on the trap they are snare for 1.5 seconds and move slower by 25% for 1.5 seconds after then snare. Minions and monsters can trigger Caitlyns traps. Traps do not deal DMG. CD - 20/18/16/14/12 seconds per charge Mana - 45/40/35/30/25

E - First Aid - Caitlyn heals herself or and ally for 5%/8%/11%/14%/17% of their missing health over 3 seconds. CD - 20/18/16/14/12 seconds Mana - 100/85/70/55/40

R - Ace in the Hole - Caitlyn targets any enemy champion within 950 range/1350 range/1750 range, and takes two seconds to fire, dealing 350/600/850, this shot can crit. Enemies can body block this shot, whoever is hit if they are not killed than they are stunned for 1.5 seconds, if they are killed the CD on Caitlin Ult are reduced by 50% and refunds 50 mana. CD - 150 seconds all ranks Mana - 200/150/100 AD ratio - 0.4 all ranks

Any feedback is always appreciated.