Dunno why Setzer or Terra are in there though. Mog works because he can equip spears. I think Cid from FFVII was more of a lancer/dragoon than Terra was. Also add Ramza from FFT as a Lancer, in place of Setzer, and you got a good team of dragoons.

New Team of 6:

Relm (VI)
Vivi (IX)
Lulu (X)
FuSoYa (IV)
Faris (V) - Sorcerer sub Summoner
Beowulf (T) - Temple Knight sub Math Skill

Team Black Mage!