Starcraft 2: 8 Medivac drop

[Thiyr]

Just remember and then start taking out their overlords, you can supply block them. In the early game, that can be killer. For every overlord you kill, your also up 100 minerals and a larva.

Sadly, that only starts working well once they spread their overlords for scouting, or if they're leaving their base without anti-air. That said, when you get the opportunity, snipe away, it's great to pop those little blimps.