Not Updated For Current Season
Masteries: Utility for CD Reduction (21 pts), rest in Offense to improve your magic penetration.
Runes: Marks and Glyphs to improve your ap damage and your cdr, seals to give you a chance to live.
Items: Sorcerer's cause it's an ap build=) LB to make ur autoattack stronger, the rest is for cdr and some autoheal, Nashor's Tooth is a good item too.
Skills: 2-shiv as first to try the first blood, deceive for 2nd to give you an help to run away from mortal combats and to help in ganks. Improve 2-shiv as first when you can (remember is a cdr build so you can almost spam it) and deceive when you can't. Leave JIB as last one. Of course 6-11-16 Ulti.