Urianger Augurelt (Extended Art) #189

Whenever you play a land from exile or cast a spell from exile, you gain 2 life. Draw Arcanum — T: Look at the top card of your library. You may exile it face down. Play Arcanum — T: Until end of turn, you may play cards exiled with Urianger Augurelt. Spells you cast this way cost 2 less to cast.