> Start off with Magic Wand and Tango at the beginning.
> Go for power treads to increase the attack and movement speed.
> Rush for Blink Dagger ASAP, for ganks and easy catches.
> After getting Blink Dagger, build Silver Edge for negating passive of the enemies.
> If the enemy team has magical heroes (which they will), build BKB.
> Consume Moon Shard after building the above items.
> At last, build Aghanim's Scepter for high damage.
> If the game goes too long, go for Boots of Travel for movement speed bonus.
> Start off with a point in Tree Grab for splash Damage.
> Go on to activate Avalanche after Tree Grab.
> After Avalanche, go for Toss to chain your combo and make harassing effective.
> Alternate Avalanche and Toss until lvl 6.
> While in lvl 6 go for Grow for increased attack damage.
> Again start the repetition of Avalanche and Throw alternatively.
> Choose Grow whenever it appears.
> After maxing out the above three, start off with Tree Grab and max it out.