Baby Reindeer Stampede

When you say, "snow stammmmpeeeeeede!" a stampede of baby reindeer will run over a group of enemies. this is in a straight line 30ft wide and 120ft long. on a hit (dc 16), this attack does 5d6 bludgeoning damage. The reindeer then disappear to their natural habitat. At higher levels, this attack does 1d6 more damage.