Werewolf creatures you control get +1/+0 and have trample. Sacrifice Full Moon's Rise: Regenerate all Werewolf creatures you control.
Some lycanthropes wish they could abandon their weak human shapes and revel in the power of the wolf.
Official Rulings for Full Moon's Rise
9/22/2011 : In order to regenerate Werewolves involved in combat, you must sacrifice Full Moon's Rise before combat damage is assigned. This means they will lose the +1/+0 and trample bonuses before combat damage assignment.