Bastien, the Plague Blade

+1: Bastien, the Plague Blade deals 1 damage to target creature and 1 damage to its controller. If you control a Demon, copy this ability.
-2: Exile the top card of your library. Until the end of your next turn, you may play that card.
-6: Create Konraggh, Lord of Plagues, a legendary 6/6 black Demon creature token with flying, first strike, indestructible and haste.