Bill Cypher, Chaos Lord

+1: Each opponent loses 1 life for every white, blue, or green creature, enchantment, or planeswalker that they have in play.
-2: The next card that one of your opponents plays comes in with a -3/-3 counter on it.
-7: You can divide a -13/-13 counter amongst your opponent's creatures. These counters stay on on for one turn per land they have in play.