Mutate a Lair during the first 285 seconds of a Melee game.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Expand during the first 225 seconds of a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Use Blink to save a Stalker in a Melee game.