this is different build

Pros:
+ Incredible fast
+ AoE stun
+ Waveclear
+ Can revive
+ Nice slow
+ High base-damage on his bombs
+ Strong late

Cons:
- Weak early
- Less HP, and you need items first to be effectively
- you have no shields or heals
- difficult to do a successful ult, it have to be the right target in the right moment. and your teammates sometimes still flash away / heal when you ult them

Until you don't have tear, play passive, try to land some bombs at the enemy sometimes. Once you got your core, you can be way more aggresive, because you are very fast and you can escape easily. Your cookies will help you to sustain the first 15 min in lane. Your keystone allows you to slow the enemy with your aa's, make use of it.