Mass Wyvern is Weak for Early Game.
Also, while waiting for the wyvern, your heroes have little to do and dont creep well.
A good strategy is then to combine it with strategies that good early on but bad in late.
That is towering.
So, quickly build tower for expansion. I learn this from Wilma Flinstone.
Then proceed as usual.
For the second hero, we can use the Tauren Chieftain. The number of peon can be 13-14.
First hero is the usual far seer.
Buy a lot of items to enchance your hero. Its your hero that will mainly do the killing. Is 3 hero a good idea? Havent tried.
If the enemies use a lot of anti air, the Tauren Chieftain is a good counter. Tauren Chieftain Storm Ground can make the enemies ground to air units do nothing.
Your Far Seer, can make wolves and cast Chain Lightning often.
Now, often, the enemy will have pesky Dreadlord doing sleep.
Here is a secret of sleep. When you are sleeping, command the farseer to do what you want to do anyway. For example, say you want your Farseer to do chain lightning. Command him to do chain lightning anyway.
If the sleep level is low, chance is...