Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Score the rank of Gold in the “Tactical Command” challenge mission.
Score the rank of Gold in the “Covert Ops” challenge mission.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.