As I do not play tournament style, and very often 150+ points ( unless playing 40 pts Turboescenarios ), very often my list starts with 4 Academy or 4 Obsidian Ties. I like Imps, and the idea that I MUST deploy a significant number of Basic Ties is difficult to ignore.
When designing an escenario there are allways, 4 or 6 Ties, and if Playing Epic often many more.
Perhaps you include some kind of ship.or Upgrade when playing casual. One friend of mine who plays only once a month MUST fly Luke + R2D2. He is some kind of maniac about this.
Your favourites?