Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Use Blink to save a Stalker in a Melee game.