Creature — Weird 3/3, 3{U/R} (4)
Common
({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.
It departs through the streets' fissures with a sound like gravel pouring into a pond.
Illus. Anthony S. Waters

2/1/2006: Petrahydrox will return to its owner's hand before the spell or ability targeting it can resolve.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern