Yea the pet lag is real, but I just adjust for it. I can tell Garuda-egi to cast contagion when I am finishing casting miasma, and by time I throw bio on the target see us using contagion. It works perfectly most of time. Sometimes its a fail, so its a win/fail type of relationship. I currently have 3 hotbar setup for summoner, this also includes pvp abilities as well. I have gotten pretty use to playing on with the ps4 controller, even after switching to pc I still prefer to use it over mouse and keyboard.