now i know that I'm no pro in fact my rank is ridiculously low however, recently i've discovered a strategy that I find very effective against players around 1300.
First make three miners after gaining 750 gold make 5 more giving a total of 10 miners, then buy the castle archer upgrade and max it out next save up 3000 gold and make 30 archers save up another 3000 gold and repeat the process, save up another 3000 gold and buy 20 swordwrath you should know have 20 swordwrath and 20 archidon this should be enough to get past people around 1300 rank, also you may want to use the wall construct ability to keep enemies at bay.