From the manufacturer:

Get your Scum and Villainy faction quickly up to speed with the Most Wanted Expansion Pack for X-Wing! Featuring three starship miniatures with alternative, Scum-themed paint schemes and a whole fleet's worth of ship cards, upgrades, tokens, and maneuver dials, the Most Wanted Expansion Pack serves as the core of your Scum and Villainy faction, establishing its flavor and allowing you to quickly assemble a fleet by repurposing your existing X-Wing starships for use within the faction.

* One Y-wing miniature with an alternative, Scum-themed paint scheme
* Two Z-95 Headhunter miniatures with Black Sun paint schemes
* Four Scum faction Firespray-31 ship cards
* Four Scum faction HWK-290 ship cards
* Six Scum faction Y-wing ship cards
* Six Scum faction Z-95 Headhunter ship cards
* Nineteen upgrade cards
* Maneuver dials and tokens for your Scum Firespray-31, HWK-290, Y-wing, and Z-95 Headhunters

This is not a complete game experience. A copy of the X-Wing Miniatures Game Core Set is required to play.