What are the things I would need in I went to a store championship today I have the starter, reb. Sabs. And echo base trop.

Take a look at this site and it should give you an idea;

http://ia-armies.com/

Good Luck

You could do a Fenn, Elite Echo Base trooper, Luke and Sabs list with Gideon in there if you can afford him?

http://ia-armies.com/army/qK41uioy

Give that a try, but the Eweb instead of Echo Base trooper because they don't have it on the site yet.