Artifact Creature — Sphinx 3/3, 3UB (5)
Rare
Flying
When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, and put it into your hand. If you do, shuffle your library.
Illus. Jaime Jones

2/1/2009: The card you find must be both an artifact and a creature.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern