Author of Shadows
Author of Shadows
When this creature enters, 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.
Big Mana Blink Board Wipes Enter the Battlefield Exile Matters Interaction Leave the Battlefield Outlaw Kindred Shade Kindred Warlock Kindred