Two dots of Artifact. But you can turn either or both of those dots into hearthstones if you feel like trusting a stranger to give you a hearthstone and not use it against you ever.<br/><br/>Anyway, I discussed it with Andy and after some agonizing, we decided that Stormwind Rider still moves at 100 mph when transporting mass combat units. It just takes a little longer to get everyone in the hurricane.