Prevent all combat damage that would be dealt by non-Werewolf creatures. Whenever chaos ensues, each creature you control gets +2/+2, gains trample, and becomes a Werewolf in addition to its other types until end of turn.
2012-06-01
A "non-Werewolf creature" is a creature that doesn't have the Werewolf creature type. A creature with additional types, such as a Human Werewolf, is not a non-Werewolf creature.
2012-06-01
Creatures that you gain control of after the chaos ability resolves won't get any of that ability's bonuses.