When I first started playing this game I figured out a cool combo. If you use your Toxic Muck just before your Frog Leap you can combo the 2 abilities together.
This helps burst people and do more damage in a shorter amount of time.
Simply just Right click just before where you want to Frog Leap. This is combo is even more useful when you take the battlerite that gives 1 extra charge of Toxic Muck, which is what I always end up going for after finding out this combo.
Enjoy :D