Good heimers have been really hurting me in mid lately. It's the only match up I have struggled with really, other than one morde, but I consider him an anomaly. Their rockets hit really hard and have great range, do I just let him prevent me from farming altogether? The last one I fought alternated grenades with rockets, a mistake in my opinion since I dodged over 90% of the grenades. Even so, he was STILL able to kill me eventually, range and damage on the rockets being so ridiculous. Even though he wasted mana on grenades fairly frequently, it didn't matter since he had clarity. I even bought a null magic talisman and it didn't matter. I was still getting hit for 225 or so by his rockets. If I recall out for health, which I did from time to time, I fall behind in experience. If I don't recall out for health, I can't get close enough to last hit a minion without getting rocketed which means falling behind in gold. Calling for a gank is hard to do as well, since even with two of us he just retreats to his turrets. I also consider that somewhat of a cop out in terms of at least holding him off.