Need advice on defensive/offensive arena team :/

So far these are all the five stars that I got: Water warbear, Wind warbear, Wind imp, Rina, Ahman, Neal, Water garuda, Wind rak, Wind ninja, Wind samurai, Fire rak, Wind sylph, Wind sylphid, Water Pierret, Fire sylph, Wind Death Knight, Fire inugami, Water Witch and Fire hellhound