When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this 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 - £0.70
Lightly Played - £0.60
Moderately Played - £0.50
Heavily Played - £0.40
Damaged - £0.30
Near Mint Non English - £0.70
Lightly Played Non English - £0.60
Moderately Played Non English - £0.50
Heavily Played Non English - £0.40
Damaged Non English - £0.30