Hero composition help/advice

Im currently on my 4th day in this game using Clause, Cleo, Miruru and Frey and wondering who i should buy with my 3* ticket i also have 5k gems and wondering who i should buy to make a solid team line up i was thinking of buying Pavel and Jane but im not sure if thats a good choice. I also have Baudouin in the inn and slowly progressing toward getting him. Thanks in advance :D