good team
if you lack of red packs , fix first your DL.
keep most of your good players for Cup & CH.L.
find AML/ML and AMR/MR or else use ML-MR or DML - DMR with red arrows if someone is playing with 3DC.
be careful against a 4-1-2-1-2 (or else narrow diamond) formation. Check formations section.
check your rival opponents playing style.
in lv2 - lv3 you have the best chances to get a treble.
Good luck .