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 - $544.500
Lightly Played - $435.600
Moderately Played - $381.200
Heavily Played - $326.700
Damaged - $272.300
Near Mint Spanish - $544.500
Lightly Played Spanish - $435.600
Moderately Played Spanish - $381.200
Heavily Played Spanish - $326.700
Damaged Spanish - $272.300