Wutch Doctor(6.49c)

Buy dagon as fast as possible.Then,upgrade it to maximum level that is level 5.
Income not a problem for this hero.Use your Paralyzing Cask(1st skill) towards creeps.This is my skill suggestion:

Paralyzing Cask,Maledict,Paralyzing Cask(2),Maledict(2),Paralyzing Cask(3)
Death Ward,Paralyzing Cask(4),Maledict(3),Maledict(4),Voodoo Restoration
Death Ward(2),Voodoo Restoration(2), Voodoo Restoration(3),Voodoo Restoration(4),Bonus
Death Ward(3),Bonus(2),,Bonus(3),Bonus(4),Bonus(5)
Bonus(6),Bonus(7),Bonus(8),Bonus(9),Bonus(10)

Item suggestion:
Dagon(lvl5),Aghanim's Scepter,Boot of Travel
Guinsoo's Scythe of Vyse,Eyes of Skadi,Refresher Orb

Strategy
Cast the Maledict towards enemy heroes,then dagon the heroes you want to kill.(Very effective if the heroes health less than 2000)