Earthmaw (Arcana) [Earth]
Level: Druid 3, Ranger 3
Mana: 6. Base Success: 90%.
  Causes the earth or stone floor beneath a victim's feet to animate, biting them for 1d4 points of damage per caster level, if the druid succeeds in a ranged attack roll against them. If the attack roll scores an unmodified 19 or 20, the victim will also become stuck, partly buried beneath the ground.