Zuma, Herald of Pain

+2: Discard a card. If it was a creature card, each opponent loses 2 life and you gain 2 life.
+1: Mill three cards. If one or more creature cards were milled this way, each opponent loses 2 life and you gain 2 life.
-8: Exile any number of creature cards from graveyards. For each card exiled this way, create two 1/1 green Insect creature tokens.