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 - $74.300
Lightly Played - $59.400
Moderately Played - $52.000
Heavily Played - $44.600
Damaged - $37.200
Near Mint Spanish - $74.300
Lightly Played Spanish - $59.400
Moderately Played Spanish - $52.000
Heavily Played Spanish - $44.600
Damaged Spanish - $37.200