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 - $1.50
Near Mint Non-English - $1.50
Lightly Played - $1.50
Lightly Played Non-English - $1.50
Moderately Played - $1.25
Moderately Played Non-English - $1.25
Heavily Played - $1.00
Heavily Played Non-English - $1.00
Damaged - $0.75
Damaged Non-English - $0.75