As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.
Near Mint - $557.000
Lightly Played - $445.600
Moderately Played - $389.900
Heavily Played - $334.200
Damaged - $278.500
Near Mint Spanish - $557.000
Lightly Played Spanish - $445.600
Moderately Played Spanish - $389.900
Heavily Played Spanish - $334.200
Damaged Spanish - $278.500