Pay 1 build point and discard one of your neutral units Reveal cards from the top of your deck until you reveal a neutral unit card with a different name but the same complete type line as the card you discarded. Put that unit card into it's arena. Shuffle the other revealed cards and put them on the bottom of your deck .
As long as this unit is in the Character arena, you don't have to pay the Upkeep costs of your Assassins, Bounty Hunters, Smugglers, or Spies.
The type line includes both the type and the subtype.
The unit card put into its arena is now considered a unit.