Champion Consept: Mac The Possessor

Mac The Possessor:

I'm just thinking of this stuff off the top off my head so sorry if i miss-spell something or if its just plane stupid [zombie-brand-clap]

Anyways....

I'm to lazy to make any art or anything but this is the best i can discribe my idea He Wears a black cloak with a hood, and has glowing green eyes

Passive: Cooldown Possessor When Ever Mac Basic Attacks All His Abilites Have 0.5 Seconds Removed From their Cooldowns (Only Once Per 3 Attacks)

Q: Lightning Strike Mac Summons A Bolt Of Lighting To Zap A Target Location Dealing 60/100/140/180/200 Magic Damage And Stunning All Enemys Hit For 0.5/1.0/1.5/2.0/2.5 Seconds

W: Ghostly Fog Mac Surrounds Himself With Fog For 2.0/2.5/3.0/3.5/4.5 Seconds, During This Time He Can Not Be Targeted From Outside The Fog With Any Ability, However If He Walks Near A Pink Ward During This Time He Can Be Seen From Outside The Fog, Enemys Can Not See Out Of The Fog If They Are In It

E: Float Mac Floats In The Air For 1.0/2.0/3.0/4.0/5.0 Seconds While Floating He Can Not Be Hit By Skill-Shots Or Rooted, If He Is Attacked It Removes 0.5 Seconds Off The Durration And Slows Him By 35% For 0.5 Seconds

R: Possess Mac Possesses A Target Champion/Minion/Monster For 4.0/4.5/5.0/5.5/6.0 Seconds, If Mac Possessed A Champion He Has Access To All Their Non-Ultimate Abilities At No Mana Cost, After The Duration Of The Possestion He Deals 100/150/200/250/300 Magic Damage To All Enemys Around Him And Is Stealthed For 1.5/2.0/2.5/3.0/3.5 Seconds (Or Until He Attacks)