Tavriel, Soul Thief

: Whenever an opponent discards a card, you draw a card. Whenever an opponent's card is exiled, you gain 1 life.
+1: Target opponent discards two cards and loses 2 life or must sacrifices a creature with toughness 2 or less.
-8: Target opponent loses 7 life and every creature they control gets four -0/-2 counters, if a creature dies this way, it is exiled instead.