Which servant should i bring for Babylonia?

Im having trouble in which servants i should level up for babylonia please helpe me. I have these servants:
Rama, bedivere, fergus, gilles (saber), julius, emiya (archer), touta, billy, gilgamesh (kid), david, euryale, robin, arash, diarmuid, hektor, romulus, cu(proto), cu, leonidas, drake, sakata (rider), alexander, ushiwakamaru, boudica, medusa, georgios, da vinci, irisviel, medea (lily), cu (caster) , hans, jack, shiki (assassin), stneno, serenity, koutaro, hundred persona, jekyll & hyde, jing ke, cursed hand, ibaraki, heracles