User blog:Mastersword12/need advice on creating a team please!

Units i have so far;

Rank 120

7*'s Zenia, Zeledus

6*'s Vermilion, Colt, Tridon, Creator Maxwell, Krantz, Ultor, Tridon, Ravenna, Limera, Libera

5*s Lava, Dia, Pike Claire (x2), Rashil, Orna, Reud, Rina, Ardin, Grahdens, Laberd, Ciara, Lancia, Quad, Dion, Quartz, Arius, Isterio, Jed, Belzet, Charla, Haile

4*s Sefia, Sodis, Hogar, Selena, Luther, Darvanshel, Eze, Raydn,Kushra, Kikuri, and Grybe

I need help creating a team around these units because i get confused on what to focus on. My current team i usually run is: Zenia (lead), tridon, Krantz, Reud, and Ultor