Creature - Weird 3/3, 3{U/R} (4) ({U/R} can be paid with either {U} or {R}.) When Petrahydrox becomes the target of a spell or ability, return Petrahydrox to its owner's hand.1 It departs through the streets' fissures with a sound like gravel pouring into a pond.
Illus. Anthony S. Waters