This tactic is best applied to terran. First you got survive the begginning. Then if your playing BgH or any other map similar to it, guard the middle. Get 3 nukes and get all the upgrades in the convert ops. Meanwhile, get about 60-80 goliaths. Get about 11 ghosts. Now, take the ghosts and cloak them, and use three of them to nuke the entrance and use the other 8 to stand as a decoy. Once you killed the entrance, send ALL THE GOLIATHS IN THE BASE. Wraiths will be no match for goliaths. If they have bcs use the lockdown with your ghosts. Good Luck and Have Fun :0)

CreepColony's Opinion: If you're just gonna nuke the entrance, I think 2 nukes is enough. Also be sure to upgrade all armor and weapons for goliath and Charon Boosters.