Mountain Hammer(Tome of Battle: The Book of Nine Swords, p. 84)
Stone Dragon (Strike)
Level: Crusader 2, Swordsage 2, Warblade 2,
Casting Time: 1 standard action
Range: Melee attack
Target: One creature or unattended object
Like a falling avalanche, you strike with the weight and fury of the mountain.
As part of this maneuver, you make a single melee attack. This attack deals an extra 2d6 points of damage and automatically overcomes damage reduction and hardness.