You may feel stressed sometimes when playing MOBAs. If you are a core player in a team full of newbies, that is torture for you. If you are a newbie too, that's torment for all.
Korean MOBA title Core Masters offers a comfortable team battle environment. It introduces unique maps and you need to search for "Cores" and take them to win. The rules are new, but it is quick to get familiar with this game through familiar controls.