Creature — Human Werewolf
2 / 1
At the beginning of each upkeep, if no spells were cast last turn, transform Hinterland Logger.
Creature — Werewolf
4 / 2
Trample
At the beginning of each upkeep, if a player cast two or more spells last turn, transform Timber Shredder.
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).