Win 5 Team Matchmaking Unranked or Ranked games.
Complete the “Ghost of a Chance” mission using Dominated units to kill at least 15 enemy troops on Normal difficulty.
Kill the Marauder Kill Team in “The Great Train Robbery” mission on Normal difficulty.
Score the rank of Bronze in the “For the Swarm” challenge mission.
Play enough qualifying games to get placed in a Matchmaking Ranked League.