Originally Posted by Maligne

I'm just theorycrafting here, but I would actually think R/W/D has a good shot at countering H/P/D. Their strength is draining and they win by attrition so not having mana users (with a druid healer) is step one. Step two is killing the pet so your druid can drink and sitting on the hunter. That keeps him from rezzing and forces his teammates to heal him. Druids and priests are both very susceptible to double melee, so after x amount of time (x is probably pretty large) when they are low on mana and cooldowns a switch with a cyclone from your druid should be able to take one out.