When Author of Shadows enters the battlfield, exile all cards from all opponent's graveyards. Choose a nonland card exiled that way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Near Mint - $1.700
Lightly Played - $1.400
Moderately Played - $1.200
Heavily Played - $1.000
Damaged - $900
Near Mint Spanish - $1.700
Lightly Played Spanish - $1.400
Moderately Played Spanish - $1.200
Heavily Played Spanish - $1.000
Damaged Spanish - $900