Masked Shadehurler

+2: Target player must discard a card or Davriel Shadehurler does 2 damage to that player. You Create a 1/1 black Shade token with Lifelink
-X: Exile target creature with converted mana cost X and return it to the battlefield under your control. It is black and gains Shade type
-6: Gain an Emblem "At the end of the turn,exile the top card of an opponent's library. You may play it from exile, treating your mana as any color."