Davriel, Shadowfire

+1: Each opponent discards a card. Davriel Shadowfire does 1 damage to any target.
-3: Target opponent exiles the top 5 cards of their library. You may play a spell from among them, using your mana as if it was any color.
-6: You can cast up to three spells from target opponent's graveyard without paying their mana cost. Exile them after doing so.