Hearthpwn

Hi
The game plan is basically to do whatever you have to do to get to late game

The Demon Seed mainly gives room to tap and most times just 3 health
Keep every cheap card, except maybe Immolate
Tap as much as possible, play cheap cards
Naturally you will stack the heavy ones in your hand, setting up your late game

Flightmaster Dungar at 3 sets Zola the Gorgon at 6
Immolate at 4 sets Mutanus the Devourer at 7 
Board clears like Entitled Customer sets your Doomsayer
Doomsayer sets up for your Lord Jaraxxus and Mo'arg Forgefiend

Immolate will put more inmediate pressure on you, so its better played before a big board clear turn

I personally like Deathwing the Destroyer as a big red panic button, Brann Bronzebeard might be more consistent

GLHF