Best burst damage/all-in champion. LeBlanc, Lee sin, katarina or other.

Hi, As the title suggests idk who to pick. I want a burst damage champion like zed{{champion:238}} (I'm already getting him) and that has an escape or gap closer like le Blancs{{champion:7}} W. Can you pls tell me who is the burst damage/all in champion in s7. _**PLS NO VEIGAR{{champion:45}} HE HAS NO GAPCLOSER**_. Thnx in advance. **Keep in mind pls that I need a champion that has to have a gapcloser and does really heavy damage really quickly. Thnx**
Report as:
Offensive Spam Harassment Incorrect Board