Pros
-Two very strong CCs in the form of an AOE knockup and silence
-Strong mid game
-Good sustain in laning phase
-Tanky, his ult gives him an extra 900hp at 6 stacks at lvl 16
-Can contest/steal Dragon/Baron with his ult
-Very flexible champion, can be built AP or tanky.(We will focus on AP)

Cons
-Difficult to land Q
-Easy to be kited
-Immobile
-Weak early/late game
-Reverse snowball(when you die and lose your stacks)

Ignite and flash will be your primary summoner spells.

You can grab teleport if you think you might get harassed down in laning phase or for more teamfight potential.

[Passive] You gain health and mana back for each minion, monster, champion you kill. This will be your sustain, so practice your last hitting. The better your creep score is, the easier the lane will be
[Q] AOE knockup, max second.
[W] AOE silence, this will be your primary source of harass, use it whenever it is up
[E] Toggle this ability on for extra damage
[R] NOM NOM NOM! Deals true damage, can't get better than that.

9-21-0 best!

Movement speed is crucial for chasing/running
Hybrid penetration because we will be auto attacking quite frequently
Armor to survive early poke harass, you can substitute with scaling health if you like
Magic resist to survive early poke harass