Of you are looking for simple strategy take 10 hog riders ,10 dragons ,1 heal spell and 5 lightening spell look for bases that have two air defences take them out by lightening spell and on the last use hogs with heal of it is inside base destroy some of ground defences with dragons and then take out the last air defence with hogs be sure to use heal on them or they will die and them deploy the rest of the dragons to clear the rest of the base