First strike
At the beginning of each upkeep, if no spells were cast last turn, transform Kruin Outlaw.
For more information on double-faced cards, see the Shadows over Innistrad mechanics article (http://magic.wizards.com/en/articles/archive/feature/shadows-over-innistrad-mechanics).
If Kruin Outlaw somehow transforms after blockers have been declared but before combat ends, any Werewolves you control that are blocked by a single creature will remain blocked.