Creature — Human Knight 3/3, 2WW (4)
Rare
Vigilance
As Riders of Gavony enters the battlefield, choose a creature type.
Human creatures you control have protection from creatures of the chosen type.
Illus. Volkan Baga

5/1/2012: You must choose an existing _Magic_ creature type, such as Zombie or Warrior. Card types such as artifact can't be chosen.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Extended (Type 1.X)
Legal in Standard (Type 2)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern