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 - $0.30
Lightly Played - $0.20
Moderately Played - $0.20
Heavily Played - $0.20
Damaged - $0.20
Near Mint Spanish - $0.30
Lightly Played Spanish - $0.20
Moderately Played Spanish - $0.20
Heavily Played Spanish - $0.20
Damaged Spanish - $0.20